Preview this quiz on Quizizz. Perimeter and Area of Plane Figures (w/Tri.) quiz for 4th grade students. Find other quizzes for Mathematics and more on Quizizz for free!This compilation of meticulously crafted printable area of compound shapes worksheets for students of 6th grade, 7th grade, and 8th grade extends two levels of composite figures to prep up finding the area. Simple plane shapes like triangles, rectangles, squares, parallelograms, rhombus, trapezoids, circles, semicircles, and quadrants compose ...A. result in efficient allocation of resources. B. none of the given answers is correct. C. clear the market for rice. D. result in a shortage of rice. E. result in a surplus of rice. Verified answer. management. Determine the best crop to plant, using the following decision criteria. This is a bundle of 3 hands on activities that support the standard: 3.MD.C.5Understand area as an attribute of plane figures and understand concepts of area measurement. a. A square with side length 1 unit, called “a unit square,” is said to have “one square unit” of area, and can be used to measure area. b.Area Calculator. Here is a handy little tool you can use to find the area of plane shapes. Choose the shape, then enter the values. The height h is at right angles to b:View 3782BF65-E4F4-438B-866B-CDB5FD630CCA.jpeg from SPANISH 102 at Corsicana H Igh School. Unit 11 - Quiz 1 (areas of plane figures, sectors, and composite figures) Name: Date: In questions 1-3, findArea of a parallelogram on the coordinate plane. Coordinates of a missing vertex. Example of shapes on a coordinate plane. Dimensions of a rectangle from coordinates. Coordinates of rectangle example. Quadrilateral problems on the coordinate plane. Parallelogram on the coordinate plane. Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer. star. 4.8 /5. heart. 4. On a coordinate plane, the x-axis is labeled white flowers and the y-axis is labeled Pink flowers. Point A is (2, 6), point B is (12, 18), point C is.Course: Geometry 218-221 > Unit 1. Quiz 2. Quiz 2 Plane figures. Math Content >. a. Isla is correct because each figure subtracts an equal area from the area of the square. What is the area of the composite figure? _____ units2. 34. An equilateral triangle is shown inside a square inside a regular pentagon inside a regular hexagon. Write an expression for the area of the shaded regions.1. Calculate the area of each of the following shapes: (a) (b) (c) (d) 2. Calculate, giving your answers correct to 3 significant figures, the area of a circle with: (a) radius 6 m, (b) diameter 20 cm, (c) diameter 9 cm. 3. Calculate the area of each of the following shapes, giving your answers correct to 3 significant figures: (a) (b) (c) (d ...Section 11-3: Areas of Circles and Sectors. Section 11-4: Areas of Regular Polygons and Composite Figures. Section 11-5: Areas of Similar Figures. Page 139: Skills ...Case 1: Area of Composite Figures. A composite plane figure is a plane figure made up of different geometric figures whose areas can be determined. The total area of a composite plane figure is equal to the sum of the areas of its parts. If the given shape is a composite figure, subdivide it into different fundamental shapes or polygons of ...Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!What is the area of this polygon? 43.5. The curved part of this figure if a semicircle. What is the best approximation for the area of this figure? 12 + 9.125. This figure is made up of a rectangle and parallelogram. 40 units. What is the area of this composite shape?Classifying triangles. Triangle angle sum. The Exterior Angle Theorem. Triangles and congruence. SSS and SAS congruence. ASA and AAS congruence. SSS, SAS, ASA, and AAS congruences combined. Right triangle congruence. Isosceles and equilateral triangles.Jan 7, 2021 · Step-by-step explanation: To find the area of a triangle, you take the base and multiply by the height, and then divide by 2. Hence giving me the answers I obtained in #4 and #10. A square is equal on all sides, so you would just square the measurement of the one side. To find the area of a circle, you would do pi times the radius^2. By the following steps mentioned below, we can calculate the area of the composite shapes. Step 1: Break the compound shape into basic shapes. Step 2: Find the area of each and every basic shape. Step 3: Add all the areas of basic shapes together. Step 4: Represent the answer in square units.Geometry (all content) 17 units · 180 skills. Unit 1 Lines. Unit 2 Angles. Unit 3 Shapes. Unit 4 Triangles. Unit 5 Quadrilaterals. Unit 6 Coordinate plane. Unit 7 Area and perimeter. Unit 8 Volume and surface area. Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures. Find the area of each figure. Round to the hundredths place when necessary. 1. The curriculum is divided into the following units: Unit 1 – Geometry Basics. Unit 2 – Logic and Proof. Unit 3 – Parallel and Perpendicular Lines. Unit 4 – Congruent Triangles. Unit 5 – Relationships in Triangles. Unit 6 – Similar Triangles. Unit 7 – Quadrilaterals. Unit 8 – Right Triangles and Trigonometry.Mar 8, 2021 · LM = √(4 + 3)² + (1 – 1)²= 7 Area = 6 x 7 = 42 units. 11.2 Areas of Circles and Sectors. Exploration 1. Finding the Area of a Sector of a Circle. Work with a partner: A sector of a circle is the region bounded by two radii of the circle and their intercepted arc. Find the area of each shaded circle or sector of a circle. a. entire circle ... Case 1: Area of Composite Figures. A composite plane figure is a plane figure made up of different geometric figures whose areas can be determined. The total area of a composite plane figure is equal to the sum of the areas of its parts. If the given shape is a composite figure, subdivide it into different fundamental shapes or polygons of ... This Volume and Surface Area Unit Bundle contains guided notes, homework assignments, two quizzes, a study guide and a unit test that cover the following topics: • Area of Plane Figures (Parallelograms, Rectangles, Squares, Triangles, Trapezoids, Circles) • Area of Sectors of Circles. • Area of Composite Figures (including area of shaded ... Benefits of Area and Perimeter Word Problems Worksheets Grade 7. When it comes to composite figures, finding the area and perimeter can prove to be confusing. By solving the problems available in the area and perimeter worksheets grade 7, students get the opportunity to practice these sums and master the topic. Like 11.1 and 11.2 Area of Rectangles, Triangles, Parallelograms, and Rhombuses — 1.09 MB 11.3 and 11.4 Area of Trapezoids and Regular Polygons — 1.25 MB 11.5 Circumference and Area — 1.11 MB 11.6 Arc Length and Area of Sectors — 863 KB 11.7 HW Key — 1.1 MB 11.7 Ratio of Areas — 1.42 MB 11.8 Geometric Probability — 1.34 MB 11.8 HW Key.jpg — 1 MBExercise 7.7: Calculate area of sector of a circle. In the diagram below, is the centre of the circle. The radius of the circle is 4.8 cm. Calculate the area of the shaded sector of the circle. Calculate what fraction of the area of the circle is shaded: So, the shaded region is of the area of the whole circle. Area of whole circle:Expert Answer 100% (1 rating) Transcribed image text: Name "Gaudat me Per Date: Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures Find the area of each figure. Round to the hundredths place when necessary. 2.1- 133m² 1.4M 16 in (-)- 163 = 4. A= 21.3 ft 25 cm 5. 11-4 Regular Figures (cont) Find the area of the given figures. 1) Find the area of a regular hexagon with. apothem 9. 2) Find the an equilateral triangle with side 12. 3) Find the area of a square with radius 4Ö2. 4) Find the area of a regular hexagon with. perimeter 48. 5) Find the area of a regular pentagon with.Area of Plane Figures. AREA Richard B. Paulino INRSF – Laoag City ; AREA A square with a side of 1 unit has an area of 1 square unit in symbol 1 unit2 Hence, the unit of measure used for measuring the area of a plane figure is square unit (unit2 ) Unit for Side Unit for AREA cm cm2 (square centimeter) m m2 (square meter) ft ft2 (square feet) – size of a surface or region. - the number of ...By the following steps mentioned below, we can calculate the area of the composite shapes. Step 1: Break the compound shape into basic shapes. Step 2: Find the area of each and every basic shape. Step 3: Add all the areas of basic shapes together. Step 4: Represent the answer in square units.Preview this quiz on Quizizz. Perimeter and Area of Plane Figures (w/Tri.) quiz for 4th grade students. Find other quizzes for Mathematics and more on Quizizz for free!Area of Composite Figures Math Lib quiz for 6th grade students. Find other quizzes for Mathematics and more on Quizizz for free! ... 196.5 m 2 196.5\ m^2 1 9 6. 5 m 2 ... Menu Level 1 Level 2 Level 3 Level 4 Level 5 Level 6 Area Maze Exam Help More. This is level 1; A reminder of the area formulas for basic shapes. Find the areas of the following shapes. For the circle questions give your answer to the nearest square metre. The diagrams are not drawn to scale.Mar 8, 2021 · LM = √(4 + 3)² + (1 – 1)²= 7 Area = 6 x 7 = 42 units. 11.2 Areas of Circles and Sectors. Exploration 1. Finding the Area of a Sector of a Circle. Work with a partner: A sector of a circle is the region bounded by two radii of the circle and their intercepted arc. Find the area of each shaded circle or sector of a circle. a. entire circle ... Preview this quiz on Quizizz. REVIEW: Area of Basic Plane and Composite Figures quiz for 10th grade students. Find other quizzes for Mathematics and more on Quizizz for free!Quiz - 11.3 Areas of Polygons and Composite Figures ... Find the area of the composite figure. 40. 9. 49. 61. 8. Multiple-choice. 5 minutes. 1 pt. 40 yd. 40 yd 2. 80 ... This Volume and Surface Area Unit Bundle contains guided notes, homework assignments, two quizzes, a study guide and a unit test that cover the following topics: • Area of Plane Figures (Parallelograms, Rectangles, Squares, Triangles, Trapezoids, Circles) • Area of Sectors of Circles. • Area of Composite Figures (including area of shaded ...Part 1 of How to find the area of composite figures, figures within figures, or the area of several figures together. How to find the area of a shaded area w... This Volume and Surface Area Unit Bundle contains guided notes, homework assignments, two quizzes, a study guide and a unit test that cover the following topics: • Area of Plane Figures (Parallelograms, Rectangles, Squares, Triangles, Trapezoids, Circles) • Area of Sectors of Circles. • Area of Composite Figures (including area of shaded ...A = 1/2 (B+b)h. Area of Composite Figures. Break into known shapes, find area of the parts of the figure, then add all areas together. Area of a rectangle. A=lw. π. 3.14 or 22/7. Area of a square. A = s^2. Geometry Unit 11: Quiz 2: Surface Area/ Volume: Cylinders. 2015 Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures"Unit 11: Volume & Surface Area Homework 3: Area of Composite Figures find the area of each 9 unit 11 homework 1 area of plane figures answer key is. Always on Time If you're looking for a punctual person, you can always count on me. Benefits of Area and Perimeter Word Problems Worksheets Grade 7. When it comes to composite figures, finding the area and perimeter can prove to be confusing. By solving the problems available in the area and perimeter worksheets grade 7, students get the opportunity to practice these sums and master the topic. Geometry (all content) 17 units · 180 skills. Unit 1 Lines. Unit 2 Angles. Unit 3 Shapes. Unit 4 Triangles. Unit 5 Quadrilaterals. Unit 6 Coordinate plane. Unit 7 Area and perimeter. Unit 8 Volume and surface area.View D9A9250B-6F9D-4B82-BD7F-B093EF00A277.jpeg from ALGEBRA 1 ALGEBRA at Corsicana H Igh School. lame: nit 11 - Quiz 1 (areas of plane figures, sectors, and composite figures) Date: Find the area ofArea Calculator. Here is a handy little tool you can use to find the area of plane shapes. Choose the shape, then enter the values. The height h is at right angles to b:The area of a composite figure is calculated by dividing the composite figure into basic figures and then using the relevant area formula for each basic figure. Example 11. Find the area of the following composite figure: Solution: The figure can be divided into a rectangle and triangle as shown below. Solved Name Gaudat me Per Date: Quiz 11-1: Area of Plane. Name Gaudat me Per Date: Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures Find Work on the task that is interesting to youArea of Compound Shapes - Adding Regions Worksheets These Area Worksheets will produce problems for finding the area of compound shapes that are comprised of adding regions of simple figures. You can select the types of figures used and the units of measurement. These worksheet are a great resources for the 5th, 6th Grade, 7th Grade, and 8th Grade.Area of a parallelogram on the coordinate plane. Coordinates of a missing vertex. Example of shapes on a coordinate plane. Dimensions of a rectangle from coordinates. Coordinates of rectangle example. Quadrilateral problems on the coordinate plane. Parallelogram on the coordinate plane.The Basics and Background Information. • A polygon is a simple, closed plane figure with sides that are line segments. • The perimeter of a polygon is the distance around the figure. • The area of any composite figure is based upon knowing how to find the area of the composite parts such as triangles and rectangles. Course: Geometry 218-221 > Unit 1. Quiz 2. Quiz 2 Plane figures. Math Content >. Drawing a quadrilateral on the coordinate plane example. Area of a parallelogram on the coordinate plane. Coordinates of a missing vertex. Example of shapes on a coordinate plane. Dimensions of a rectangle from coordinates. Coordinates of rectangle example. Quadrilateral problems on the coordinate plane. This Volume and Surface Area Unit Bundle contains guided notes, homework assignments, two quizzes, a study guide and a unit test that cover the following topics: • Area of Plane Figures (Parallelograms, Rectangles, Squares, Triangles, Trapezoids, Circles) • Area of Sectors of Circles. • Area of Composite Figures (including area of shaded ... Geometry (all content) 17 units · 180 skills. Unit 1 Lines. Unit 2 Angles. Unit 3 Shapes. Unit 4 Triangles. Unit 5 Quadrilaterals. Unit 6 Coordinate plane. Unit 7 Area and perimeter. Unit 8 Volume and surface area.Verified answer. Jonathan and his sister Jennifer have a combined age of 48. If Jonathan is twice as old as his sister, how old is Jennifer. star. 4.8 /5. heart. 4. On a coordinate plane, the x-axis is labeled white flowers and the y-axis is labeled Pink flowers. Point A is (2, 6), point B is (12, 18), point C is.Preview this quiz on Quizizz. Perimeter and Area of Plane Figures (w/Tri.) quiz for 4th grade students. Find other quizzes for Mathematics and more on Quizizz for free! Terms in this set (14) Sector. a section of a circle bounded by a central angle and its interperated are. Area of a sector formula. A=x(3.14)r2/360. Composite figures. a figure that can be separated into regions that are basic plane figures. Area of a compsotie figure. Solved Name Gaudat me Per Date: Quiz 11-1: Area of Plane. Name Gaudat me Per Date: Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures Find 245 Math Specialists 13 Years in business 34899 Customers Get Homework Help Jun 27, 2015 · Lesson 45: Composite Plane Figures...Lesson 45: Composite Plane Figures D. Legault, Minnesota Literacy Council, 2014 1 Mathematical Reasoning LESSON 45: Composite Plane Figures Lesson MENSURATION - Amazon S3€¦ · MENSURATION BASIC CONCEPTS: 1.1 PERIMETERS AND AREAS OF PLANE FIGURES: PERIMETER AND AREA The perimeter of a plane figure is the ... Sector. A section of a circle bounded by a central angle and its intercepted arc. (Think of a slice of pizza.) Area of a Sector. A = x/360 · (∏r²), where x is the degrees in the angle and r is the radius of the circle. Composite Figures. A figure that can be separated into regions that are basic plane figures (like triangles, parallelograms ... Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures. Find the area of each figure. Round to the hundredths place when necessary. 1. cslowik Vocabulary, postulates, theorems, and formulas for Chapter 11 Geometry. Terms in this set (19) Area of a Square A = s² Area Congruence Postulate If two figures are congruent, then they have the same area Area Addition Postulate The area of a region is the sum of the areas of its non-overlapping parts Area of a Rectangle A = bh Non-polygonal plane figures. If any side or part of a plane figure is curved (not straight) it is not a polygon. The two most common types of non-polygonal plane figures we see in Geometry are a circle and an ellipse. Circle. A circle is a plane figure formed by the set of all points in a plane that are equidistant from a given, fixed point ... Other composite shapes may have cut out sections. To work out the area of these shapes, you must calculate the area of the main shape and subtract the area of the cut-out. QuestionSection 11-3: Areas of Circles and Sectors. Section 11-4: Areas of Regular Polygons and Composite Figures. Section 11-5: Areas of Similar Figures. Page 139: Skills ... Part 1 of How to find the area of composite figures, figures within figures, or the area of several figures together. How to find the area of a shaded area w...Let's break the area into two parts: Part A is a square: Area of A = a 2 = 20m × 20m = 400m 2. Part B is a triangle. Viewed sideways it has a base of 20m and a height of 14m. Area of B = ½b × h = ½ × 20m × 14m = 140m 2. So the total area is: Area = Area of A + Area of B = 400m 2 + 140m 2 = 540m 2. Sam earns $0.10 per square meter. c 1 The shape shown is a sector. Write the formula for finding the area of a sector. c A = θ 360° × πr2 2 Write the value of θ and r. θ = 40°, r = 15 3 Substitute and evaluate the expression, correct to 2 decimal places. A = 40° 360° ×π 152 = 78.54 cm2 Areas of composite figures • A composite figure is a figure made up of a ...Jan 7, 2021 · Step-by-step explanation: To find the area of a triangle, you take the base and multiply by the height, and then divide by 2. Hence giving me the answers I obtained in #4 and #10. A square is equal on all sides, so you would just square the measurement of the one side. To find the area of a circle, you would do pi times the radius^2. a geometric figure that is composed, or made up, of two or more basic shapes. dilation. a transformation which results in similar figures. dimensions. the size of something (e.g., length, width, or height) distance. the number of units between two numbers or points, regardless of direction. image.Area of plane figures, sectors, composite figures quiz for KG students. Find other quizzes for Mathematics and more on Quizizz for free! By the following steps mentioned below, we can calculate the area of the composite shapes. Step 1: Break the compound shape into basic shapes. Step 2: Find the area of each and every basic shape. Step 3: Add all the areas of basic shapes together. Step 4: Represent the answer in square units. Course: Geometry 218-221 > Unit 1. Quiz 2. Quiz 2 Plane figures. Math Content >. Study with Quizlet and memorize flashcards containing terms like 108, 37, 1,536 and more.Area of semicircle = 1 2 ××π2 2 =6.283185307 m 2 Total area =32 6 283185307 38 283185307+= m .. 2 =38.3 m 2 (to 3 significant figures) Example 4 The diagram shows a piece of card in the shape of a parallelogram, that has had a circular hole cut in it. Calculate the area of the shaded part. 11 cm 4 cm 6 cm Solution Area of parallelogram =11 6 ... Consider a triangle ABC like the one below. Suppose that a=34, b=53, and c=74. The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth.Perimeter and Area in the Coordinate Plane. ... Section 11.1: Circumference and Arc Length ... Areas of Polygons. Section 11.4: Three-Dimensional Figures. Page 624: Quiz. Section 1.4: Perimeter and Area in the Coordinate Plane. ... Section 11.1: Circumference and Arc Length ... Section 11.3: Areas of Polygons and Composite Figures ...QUIZ Show your work! 1. Find the area of the entire figure below. 1.7 Composite Figures A composite figure is formed from two or more figures. To find the area of a composite figure: Find the areas of each figure then add them up. To find the area of a shaded region, you need to subtract the areas. Example #1: Find the area of the composite figure. Quiz 11-1: Area Of Plane Figures, Sectors, And Composite Figures Find ... Unit 6, 6b grammar, past simple (affirmative): A cor. Results 17 - 28 of 28 — Unit 4 congruent triangles homework 3 isosceles equilateral triangles answer key. net Grade 6 module 1 unit 1, lesson 4 answer key grade 6 module 1 unit 1, lesson 4 answer key page 1/7.Learn ...Verified answer. Quiz 11-1: Area of plane figures, sectors, and composite figures Unit 11 Volume and surface area.11-4 Regular Figures (cont) Find the area of the given figures. 1) Find the area of a regular hexagon with. apothem 9. 2) Find the an equilateral triangle with side 12. 3) Find the area of a square with radius 4Ö2. 4) Find the area of a regular hexagon with. perimeter 48. 5) Find the area of a regular pentagon with. 1.Unit 11: Volume and Surface Area Homework 1: Area of Plane Figures; 2.11.1a Area of Plane Figures Part 1 – YouTube; 3.Solved Name: Unit 11: Volume & Surface Area Homework 1 – Chegg; 4.unit 11 volume and surface area homework 1 area of plane figures; 5.Unit 11 – Area of Plane Figures Files – Fairview High SchoolConsider a triangle ABC like the one below. Suppose that a=34, b=53, and c=74. The figure is not drawn to scale.) Solve the triangle. Carry your intermediate computations to at least four decimal places, and round your answers to the nearest tenth.Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures. Find the area of each figure. Round to the hundredths place when necessary. 1.
1.Unit 11: Volume and Surface Area Homework 1: Area of Plane Figures; 2.11.1a Area of Plane Figures Part 1 – YouTube; 3.Solved Name: Unit 11: Volume & Surface Area Homework 1 – Chegg; 4.unit 11 volume and surface area homework 1 area of plane figures; 5.Unit 11 – Area of Plane Figures Files – Fairview High School. Skyrim hrothmund
Our ' Area Of Plane Figures Quiz' contains questions that can help you understand your mathematical concepts better. The questions are easy to understand and solve, so why not try? Try finding the area of triangles, parallelograms, trapezoids, etc., and check your progress via the scored card at the end. You have to attempt all the questions ...Apr 21, 2023 · What is the Area of plane figures? Square: Zone = side × side or A = s², where s is the length of one side. Rectangle: Region = length × width or A = lw, where l is the length and w is the width. Triangle: Zone = 1/2 × base × stature or A = 1/2bh, where b is the base and h is the tallness. Study with Quizlet and memorize flashcards containing terms like 108, 37, 1,536 and more. Sep 27, 2014 · AREA OF TRIANGLE: A = bh 2 A = 12 3 2 A = 36 = 18 cm2 2. AREA OF COMPOSITE FIGURES • Now you try again to find the area of the following composite figure. This figure can be separated into a square & a rectangle. Now we just find the area of each figure. 9 cm 6 cm 3 cm 12 cm AREA OF SQUARE: A = side side A = 3 3 A = 9 cm2 AREA OF RECTANGLE: A ... Section 11-3: Areas of Circles and Sectors. Section 11-4: Areas of Regular Polygons and Composite Figures. Section 11-5: Areas of Similar Figures. Page 139: Skills ...1.6 Two-Dimensional Figures 11.3 Areas of Circles and Sectors Quiz 11.1 Areas of Parallelograms and Triangles 11.2 Areas of Trapezoids, Rhombi and Kites 11.4 Areas of Regular Polygons 11.4 Area Composite Figures Quiz 11.5 Area of Similar Figures 1.7, 12.1 Three-Dimensional Figures 12.8 Congruent and Similar Solids Net Project The Basics and Background Information. • A polygon is a simple, closed plane figure with sides that are line segments. • The perimeter of a polygon is the distance around the figure. • The area of any composite figure is based upon knowing how to find the area of the composite parts such as triangles and rectangles.What is the Area of plane figures? Square: Zone = side × side or A = s², where s is the length of one side. Rectangle: Region = length × width or A = lw, where l is the length and w is the width. Triangle: Zone = 1/2 × base × stature or A = 1/2bh, where b is the base and h is the tallness.The sector area formula may be found by taking a proportion of a circle. The area of the sector is proportional to its angle, so knowing the circle area formula, we can write that: α / 360° = Sector Area / Circle Area. Angle conversion tells us that 360° = 2π. α / 2π = Sector Area / πr². so: Sector Area = r² × α / 2Classifying triangles. Triangle angle sum. The Exterior Angle Theorem. Triangles and congruence. SSS and SAS congruence. ASA and AAS congruence. SSS, SAS, ASA, and AAS congruences combined. Right triangle congruence. Isosceles and equilateral triangles.Course: 6th grade > Unit 8. Lesson 3: Area of composite figures. Finding area by rearranging parts. Area of composite shapes. Area of quadrilateral with 2 parallel sides. Decompose area with triangles. Area of composite shapes. Plane figures FAQ. Math >.1. Calculate the area of each of the following shapes: (a) (b) (c) (d) 2. Calculate, giving your answers correct to 3 significant figures, the area of a circle with: (a) radius 6 m, (b) diameter 20 cm, (c) diameter 9 cm. 3. Calculate the area of each of the following shapes, giving your answers correct to 3 significant figures: (a) (b) (c) (d ...Jul 30, 2014 · Chapter 11 Areas of Plane Figures. Chapter 11 Areas of Plane Figures. Understand what is meant by the area of a polygon. Know and use the formulas for the areas of plane figures. Work geometric probability problems. 11-1: Area of Rectangles. Objectives Learn and apply the area formula for a square and a rectangle. 2.73k views • 145 slides LM = √(4 + 3)² + (1 – 1)²= 7 Area = 6 x 7 = 42 units. 11.2 Areas of Circles and Sectors. Exploration 1. Finding the Area of a Sector of a Circle. Work with a partner: A sector of a circle is the region bounded by two radii of the circle and their intercepted arc. Find the area of each shaded circle or sector of a circle. a. entire circle ....