1. 11.3 Area of Similar Figures March 02, 2012
Find the area. Bellwork
144 cm2
1072 ft2
3. The height of a trapezoid is 8 feet. One base is
twice as long as the other, and the area is 72
square feet. How long is each base?
6 ft; 12 ft
HW pg. 740 #6­16 evens 1

2. 11.3 Area of Similar Figures March 02, 2012
11.3 Perimeter & Area of Similar Figures
Area of Similar Polygons: If 2 polygons are ~, then
the ratio of areas is a2:b2.
b
Side length: a/b Area: a2/b2
A
1 2
Polygon 1 ~ Polygon 2
HW pg. 740 #6­16 evens 2

3. 11.3 Area of Similar Figures March 02, 2012
HW pg. 740 #6­16 evens 3

4. 11.3 Area of Similar Figures March 02, 2012
HW pg. 740 #6­16 evens 4

5. 11.3 Area of Similar Figures March 02, 2012
HW pg. 740 #6­16 evens 5

6. 11.3 Area of Similar Figures March 02, 2012
11.3 HW pg. 740 #6-16 evens
HW pg. 740 #6­16 evens 6