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Find the area of the regular polygon. round your answer to the nearest tenth. A: 172.2 in.^2 B: 50.0 in.^2 C: 84.4 in.^2 D: 344.3 in.^2
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Find the area of the regular polygon. round your answer to the nearest tenth.

A:
172.2 in.^2

B:
50.0 in.^2

C:
84.4 in.^2

D:
344.3 in.^2

Find the area of the regular polygon. round your answer to the nearest tenth. A: 172.2 in-example-1
User Ian Evans
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8.1k points

1 Answer

2 votes
Area = 1/4√(5(5+2√5))a^2. a is the length of a side. If you plug in 10 as a, you get approximately 172, which is about the same as the 1st option .
User Amongalen
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8.2k points
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