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  • 18-08-2019
  • Mathematics
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Find the area of the regular decagon with a side measure of 4cm

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remixe remixe
  • 19-08-2019

Answer:

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

A=(5/2)×4²×[√5+(2√5)]

A ≈ 123.11cm²

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