Warm Up 04.12.12Week 4

Section 11.2 Day

1

I will find the area of a regular polygon.

Area of an Equilateral TriangleTheorem 11.03

Ex 1 Find the area:

Polygon Center

Polygon Radius

Apothem

The height of the triangle

Central Angle

•

5 sides

Ex 2

Theorem 11.04

Area of a Regular Polygon

or

a Apothem

P Perimeter christians awesome s

s Side Length

n Number of Sides

Ex 3 Find the area of the polygon:

Ex 4 Find the area of the polygon:

x

4

Assignment: Handout – 11.2A

Do 1: Find the perimeter and area: