WARM UP
Find the area of the rhombus.
20
60°
HW Solutions
p. 271-72 #1-5, 7-12
1. 472
7. 4
2. 144.5
8. P = 48, A = 120
3. 30
9. 52√3
4. 72
10. 375
5. 108,990
11. 128
12. 20
5-6 Areas of Regular Polygons
Objective: Find the area of a regular polygon.
Regular Polygon
1.
2.
12.
11.
HW # 53
Area of Regular Polygons Wksht # 1 ­ 10,12,14