Calculate the area of the regular pentagon below: A regular pentagon with side length of 22.3 inches and dotted line from center to middle of side of 15.4 inches. 686.84 square inches 732.34 square inches

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asked Oct 24, 2018 126k views

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Calculate the area of the regular pentagon below:

A regular pentagon with side length of 22.3 inches and dotted line from center to middle of side of 15.4 inches.
686.84 square inches
732.34 square inches
858.55 square inches
1717.1 square inches

Mathematics
middle-school

Computmaxer asked

by Computmaxer

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the answer is 858.55 because A=145(5+25)a2

Marco Borchert answered Oct 28, 2018

by Marco Borchert

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