Find the area of a regular pentagon with a side of 5cm round to nearest tenth

asked Mar 11, 2022 126k views

9 votes

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6 votes

Answer:

43 cm^2

Explanation:

tan 72/2 = 0.7265

0.7265 = 0.5(5)/h

h = 3.44

3.44 x 5 x 0.5 = 8.6

8.6 x 5 = 43 cm^2

Anson Horton answered Mar 16, 2022

4.0k points

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