1. 11.2 Area of Regular Polygon
Apothem

2. Find the Area of an Equilateral Triangle
Area is ½ ab a is Altitude
b is Base

3. Find the Area of an Equilateral Triangle (there is an easier way)
Theorem
s is Side of triangle

4. Find “s” of an equilateral triangle with area of
s is Side of triangle

5. Find “s” of an equilateral triangle with area of
s is Side of triangle

6. Finding the Area of a Regular Hexagon inscribed in a circle.
Parts of the inscribed hexagon

7. Finding the Area of a Regular Hexagon inscribed in a circle.
Parts of the inscribed hexagon

8. Finding the Area of a Regular Hexagon inscribed in a circle.
Parts of the inscribed hexagon

9. Finding the Area of a Regular Hexagon inscribed in a circle.

10. Finding the Area of a Regular Hexagon inscribed in a circle.

11. Finding the Area of a Regular Octagon inscribed in a circle.
Sides of 4, what the
Central Angle

12. How do you find the Apothem
Sides of 4

13. Finding the Area of a Regular Octagon inscribed in a circle.
Sides of 4, what the
Central Angle

14. Finding the Area of a Regular Octagon inscribed in a circle.
Sides of 4

15. Find the Area of a 12-gon
Sides of 1.2; Radius of 2.3
Apothem

16. Find the Area of a 12-gon
Sides of 1.2; Radius of 2.3
Apothem

17. Homework
Page 672 – 673 #

18. Homework
Page 673 – 674
# 30 – 34, 45,
46, 48,