11.3 notes
6
11.3 Similar Areas HW pg. 740 #616 evens 1 March 26, 2014 Bellwork Find the area. 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 1072 ft 2 144 cm 2
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Transcript of 11.3 notes
11.3 Similar Areas
HW pg. 740 #616 evens 1
March 26, 2014
BellworkFind the area.
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
1072 ft2
144 cm2
11.3 Similar Areas
HW pg. 740 #616 evens 2
March 26, 2014
11.3 Perimeter & Area of Similar Figures
Area of Similar Polygons: If 2 polygons are ~, then the ratio of areas is a2:b2.
1 2
b
A
Polygon 1 ~ Polygon 2
Side length: a/b Area: a2/b2
11.3 Similar Areas
HW pg. 740 #616 evens 3
March 26, 2014
11.3 Similar Areas
HW pg. 740 #616 evens 4
March 26, 2014
11.3 Similar Areas
HW pg. 740 #616 evens 5
March 26, 2014
11.3 Similar Areas
HW pg. 740 #616 evens 6
March 26, 2014
11.3 HW pg. 740 #6-16 evens
