'Regular octagon' diaporamas de présentation

GCSE Mathematics Revision

GCSE Mathematics Revision. C/D borderline. C/D borderline Choose your session!. Session 11 Session 12 Session 13 Session 14 Session 15 Session 16 Session 17 Session 18 Session 19 Session 20. Session 1 Session 2 Session 3 Session 4 Session 5 Session 6 Session 7 Session 8

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Chapter 10

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200

Area & Perimeter. Composite /Shaded. Regular Polygons. Change of Dimension. Geometric Probability. 100. 100. 100. 100. 100. 200. 200. 200. 200. 200. 300. 300. 300. 300. 300. 400. 400. 400. 400. 400. 500. 500. 500. 500. 500.

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Question 1:

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20 Questions

20 Questions. Chapter 10 Review. 1. Polygons. The sum of the measures of the interior angles of a convex polygon is 2520. How many sides does the polygon contain?. Answer. Answer to Question #1. 16 Sides. 2. Polygons.

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Georgia Performance Standards

Georgia Performance Standards. 7 th Grade Mathematics. Day 6: Student Work and Teacher Commentary. Janet Davis 404-463-1736 jdavis@doe.k12.ga.us Massie McAdoo, Ph.D. 404-463-6924 mmcadoo@doe.k12.ga.us Peggy Pool 404-657-9063 ppool@doe.k12.ga.us. Contact Information.

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9-2

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11.1 Areas of rectangles

11.1 Areas of rectangles. Postulates. The area of a square is the square of the length of a side. (A = s 2 ) If two figures are congruent, then they have the same area. s. s. Postulates. The area of a region is the sum of the areas of its non-overlapping parts. D. B. C. A. I. II.

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Chapter 11 Areas of Polygons and Circles

Use measures of angles of polygons to solve problems. Find the measures of interior and exterior angles of polygons. Chapter 11 Areas of Polygons and Circles. Section 11.1 Angle Measures in Polygons. Lesson 1 Contents. Example 1 Interior Angles of Regular Polygons

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8.1 Angles of Polygons

8.1 Angles of Polygons. Objectives. Find the sum of the measures of the interior angles of a polygon Find the sum of the measures of the exterior angles of a polygon. Sum of the Measures of the Interior Angles of a Polygon.

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Symmetry: A Visual Presentation

Symmetry: A Visual Presentation. A PowerPoint Presentation created by Mrs. Gamache using the collection of web pages created by the Adrian Bruce and students of 6B http://www.adrianbruce.com Geometry, Unit 8, Day 6. Line Symmetry.

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Symmetry: A Visual Presentation

Symmetry: A Visual Presentation. Line Symmetry. Shape has line symmetry when one half of it is the mirror image of the other half. Symmetry can have vertical, horizontal or diagonal line symmetry. Is a butterfly symmetrical?. Line Symmetry exists in nature but you may not have noticed.

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Symmetry: A Visual Presentation

Symmetry: A Visual Presentation. A PowerPoint Presentation created by Mrs. Gamache using the collection of web pages created by the Adrian Bruce and students of 6B http://www.adrianbruce.com. Line Symmetry. Shape has line symmetry when one half of it is the mirror image of the other half.

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Symmetry: A Visual Presentation

Symmetry: A Visual Presentation. A PowerPoint Presentation created by Mrs. Gamache using the collection of web pages created by the Adrian Bruce and students of 6B http://www.adrianbruce.com. Line Symmetry. Shape has line symmetry when one half of it is the mirror image of the other half.

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5-Minute Check 2

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EXAMPLE 2

You are decorating the top of a table by covering it with small ceramic tiles. The table top is a regular octagon with 15 inch sides and a radius of about 19.6 inches . What is the area you are covering?. Find the area of a regular polygon. EXAMPLE 2. DECORATING. SOLUTION. STEP 1.

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10-3 Areas of Regular Polygons

10-3 Areas of Regular Polygons. Definitions. Center of a regular polygon ? the center of the circumscribed circle. Radius of a regular polygon ? the distance from the center to a vertex. All radii of a figure are congruent.

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Notes 76: 11.6 Areas of Regular Polygons

Notes 76: 11.6 Areas of Regular Polygons. THEOREM 11.11: AREA OF A REGULAR POLYGON. The area of a regular n- gon with side length s is half the product of the apothem, a, and the perimeter, P, so A = , or A = a ?P. Find angle measures in a regular polygon.

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Lesson 3-4

Polygons. Lesson 3-4. Polygons. Definition:. A closed figure formed by a finite number of coplanar segments so that each segment intersects exactly two others, but only at their endpoints. These figures are not polygons. These figures are polygons. Classifications of a Polygon. Convex:.

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Finding the Perimeter

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