# Chapter 11.1 – 11.2 Review - PowerPoint PPT Presentation

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Chapter 11.1 – 11.2 Review. I Geometry Team Competition. 12. a. 36. 36. 10. To find the apothem, find the measure of the central angle. Set up a trig ratio to find b (or use Pythagorean Theorem). Set up a trig ratio to find a. b.

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Chapter 11.1 – 11.2 Review

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## Chapter 11.1 – 11.2 Review

I Geometry

Team Competition

12

a

36

36

10

To find the apothem, find the measure of the central angle

Set up a trig ratio to find b

(or use Pythagorean Theorem)

Set up a trig ratio to find a

b

Each side of the pentagon is equal to 2b

Perimeter = 5(11.776)

= 58.779

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