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. 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...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:About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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 ...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 Quiz 11 1 area of plane figures sectors and composite figures. 8 months ago. Comments: 0. Views: 75. 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. Unit 11 - Volume and Surface Area. Homework Solutions. Unit 12 - Circles. Homework Solutions. Geometry A. Algebra Review. Unit 1 - Ch 1. ... 2013, 6:11 PM by Unknown userCase 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 ... 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 ... Preview this quiz on Quizizz. Area of Plane Figures, Sectors, and Composite Figures quiz for 9th grade students. Find other quizzes for Mathematics and more on Quizizz for free!Area of Composite Figures Digital Quiz for TEKS 7.9C (Google Forms + PDF) This quiz covers area of composite figures, including shapes made of quarter circles, half circles, rectangles, squares, trapezoids, and triangles. Some of them are quite challenging, so expect this quiz to take longer than some of the others. 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. 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. Sam earns = $0.10 × 540m 2 = $54.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 ...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 ...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 >.Quiz 11-1: Area Of Plane Figures, Sectors, And Composite Figures Find ... Question: NGE9%20Matly packet 1 plane figures.pdf A Read aloud y Draw v. Highlight QUIZ 2 1. The diagonal of a parallelogram is Is 16.5 cm . It makes an angle of 36° 10' with the shorter side and 14° 30' with longer side. Find the perimeter and the area of the ... There can be many ways to do composite figures, and your way is just as valid since you divide it into known shapes especially since the area of trapezoids is the first in this string of videos. For fun, I might start with a large 10 by 9 rectangle and take away the three triangles that are cut off from the corner 90 - 3.5 - 13.5 - 12.25 = 60.75.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 ... 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. So, the area of the composite figure is ...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 of6th grade 11 units · 148 skills. Unit 1 Ratios. Unit 2 Arithmetic with rational numbers. Unit 3 Rates and percentages. Unit 4 Exponents and order of operations. Unit 5 Negative numbers. Unit 6 Variables & expressions. Unit 7 Equations & inequalities. Unit 8 Plane figures.Course: Geometry 218-221 > Unit 1. Quiz 2. Quiz 2 Plane figures. Math Content >. 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.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 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: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. Quiz 11 1 area of plane figures sectors and composite figures. 8 months ago. Comments: 0. Views: 75. 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. 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 ...Grade 6 math (FL B.E.S.T.) 11 units · 149 skills. Unit 1 Arithmetic with rational numbers. Unit 2 Ratios. Unit 3 Rates and percentages. Unit 4 Intro to negative numbers. Unit 5 Arithmetic with negative numbers. Unit 6 Variables and expressions. Unit 7 Equations and inequalities. Unit 8 Plane figures.Quiz 11-1: Area Of Plane Figures, Sectors, And Composite Figures Find ... Question: NGE9%20Matly packet 1 plane figures.pdf A Read aloud y Draw v. Highlight QUIZ 2 1. The diagonal of a parallelogram is Is 16.5 cm . It makes an angle of 36° 10' with the shorter side and 14° 30' with longer side. Find the perimeter and the area of the ...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!Name Gaudat me Per Date: Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures Find Download full explanation The best way to learn about different cultures is to travel and immerse yourself in them.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.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 ...Learn More at mathantics.comVisit http://www.mathantics.com for more Free math videos and additional subscription based content!Aug 11, 2022 · 4.unit 11 volume and surface area homework 1 area of plane figures; 5.unit 11 volume and surface area homework 1 area of plane figures; 6.Unit 11 volume and surface area homework 1 answer key | Answers … 7.Unit 11 – Area of Plane Figures Files – Fairview High School; 8.[PDF] Quiz 1 review Key; 9.[PDF] 8.1 Notes. Related posts: 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!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 ... 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. 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 ...Unit 11 - Volume and Surface Area. Homework Solutions. Unit 12 - Circles. Homework Solutions. Geometry A. Algebra Review. Unit 1 - Ch 1. ... 2013, 6:11 PM by Unknown userPractice with the area of regular polygons. Quiz Answers Area of Composite Figures Warm-Up Get ready for the lesson. Instruction How can areas of composite 2-D figures be found using simple 2-D shapes? Summary Review and connect what you learned. Assignment Practice finding the area of composite 2-D figures. Area of Composite Figures Digital Quiz for TEKS 7.9C (Google Forms + PDF) This quiz covers area of composite figures, including shapes made of quarter circles, half circles, rectangles, squares, trapezoids, and triangles. Some of them are quite challenging, so expect this quiz to take longer than some of the others. 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 segment from the center of a regular polygon to a vertex, forms the hypotenuse to the right triangle. (Also the radius of the circumscribed circle).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.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 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. combine to determine the area of the composite plane figure. (8.10 I) Subdivide a plane figure into triangles, rectangles, squares, trapezoids, Objectives parallelograms, and semicircles. Use the attributes of the subdivisions. to determine the perimeter of the composite plane figure. (8.10 II) 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.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... Unit 11 - Volume and Surface Area. Homework Solutions. Unit 12 - Circles. Homework Solutions. Geometry A. Algebra Review. Unit 1 - Ch 1. ... 2013, 6:11 PM by Unknown userArea 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 plane figures, sectors, composite figures quiz for KG students. Find other quizzes for Mathematics and more on Quizizz for free! 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. combine to determine the area of the composite plane figure. (8.10 I) Subdivide a plane figure into triangles, rectangles, squares, trapezoids, Objectives parallelograms, and semicircles. Use the attributes of the subdivisions. to determine the perimeter of the composite plane figure. (8.10 II)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 of 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. 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. About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright ...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.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, find 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 ... Geometry Unit 11: Quiz 2: Surface Area/ Volume: Cylinders. 2015 Quiz 11-1: Area of Plane Figures, Sectors, and Composite Figures"Grade 6 math (FL B.E.S.T.) 11 units · 149 skills. Unit 1 Arithmetic with rational numbers. Unit 2 Ratios. Unit 3 Rates and percentages. Unit 4 Intro to negative numbers. Unit 5 Arithmetic with negative numbers. Unit 6 Variables and expressions. Unit 7 Equations and inequalities. Unit 8 Plane figures. Area of a regular polygon. A=1/2 (apothem) (perimeter) Area of equilateral triangle. A= (s^2) √ 3/4. Area of regular hexagon. A=3 (s^2) √ 3 /2. Area of composite figures. Composite figures are made up of simple shapes such as triangles, squares, and circles. To find the area of composite figures, find the individul shapes' areas, then add ... 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...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.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 ...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 ... 11. Multiple-choice. 30 seconds. 1 pt. ... Area of Composite Figures quiz for 6th grade students. Find other quizzes for Mathematics and more on Quizizz for free!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. 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 ...4.%Here%is%adiagram%of%the%trackKing’s%is%thinking%of%adding%around%the%new%field.%It% consistsof%twoparallel%linesanda%semicircleateachend.%Thetrack%is10meterswide.%Area 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 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 ... 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 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.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 ...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.What is the area of the composite figure? 80 cm2. 16 cm2. 96 cm2. 32 cm2. 5. Multiple-choice.
6th grade 11 units · 148 skills. Unit 1 Ratios. Unit 2 Arithmetic with rational numbers. Unit 3 Rates and percentages. Unit 4 Exponents and order of operations. Unit 5 Negative numbers. Unit 6 Variables & expressions. Unit 7 Equations & inequalities. Unit 8 Plane figures.. Faith build demon
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 ... 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. 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.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.Course: Geometry 218-221 > Unit 1. Quiz 2. Quiz 2 Plane figures. Math Content >.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 ...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.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.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. Grade 6 math (FL B.E.S.T.) 11 units · 149 skills. Unit 1 Arithmetic with rational numbers. Unit 2 Ratios. Unit 3 Rates and percentages. Unit 4 Intro to negative numbers. Unit 5 Arithmetic with negative numbers. Unit 6 Variables and expressions. Unit 7 Equations and inequalities. Unit 8 Plane figures.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 ... .