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Find the area of the regular pentagon
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Find the area of the regular pentagon

Find the area of the regular pentagon-example-1
User Dottedmag
by
4.1k points

1 Answer

5 votes

Answer:


A = 43.1\ cm^2

Explanation:

Step 1: Determine the area


A=(1)/(4)\sqrt{5(5+2√(5))}*a^2


A=(1)/(4)\sqrt{5(5+2√(5))}*(5\ cm)^2


A = (1)/(4)*6.8819*25\ cm^2


A = 43.1\ cm^2

Answer:
A = 43.1\ cm^2

User Phon Soyang
by
5.4k points
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