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What is the area of a regular pentagon with side length 20 feet?
Can u guys show steps pls.

User Rreichel
by
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2 Answers

4 votes

Answer:

688.2ft^2

Explanation:

User Emile Zankoul
by
7.9k points
2 votes

Answer:


688.19m^2

Explanation:


A=(1)/(4) \sqrt{5(5+2√(5) } a^2\\=(1)/(4) \sqrt{5(5+2√(5) }* 20^2\\=688.19096m^2\\=688.191m^2\\=688.19m^2

User LodeRunner
by
7.7k points

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