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9 September, 07:48

A side of a regular pentatgon is 20 inches in length.

Find the length of the apothem of the pentagon to the nearest tenthg of an inch.

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Answers (2)
  1. 9 September, 09:32
    0
    The answer is 130.5 square inches
  2. 9 September, 10:46
    0
    Area of regular pentagon = (½) (apothem) (perimeter) apothem = 6 inch perimeter = 5 * 8.7 = 43.5 area of regular pentagon = ½ * 6 * 43.5 = 130.5 square inches
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