Find the area of the regular decagon with a side measure of 4cm

asked Jun 13, 2020 175k views

2 votes

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2 votes

Answer:

By using the formula for the area of a regular decagon:( a=side)

A=(5/2)×4²×[√5+(2√5)]

A ≈ 123.11cm²

Cindrella answered Jun 18, 2020

8.3k points

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