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12 September, 03:47

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

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Answers (1)
  1. 12 September, 04:05
    0
    The answer is 858.55 because A=145 (5+25) a2
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