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10­3 Area of Polygons (continued)
A=½aP
6 in.
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10 cm
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9√3
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10­5 Trig & Area
10 cm
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What is the area of a regular
octagon with 7.5 cm sides?
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Find the area of each to the nearest tenth.
1. decagon with side length 4 yd
2. nonagon with radius of 7 in
3. 15­gon with perimeter of 180 cm
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