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11 January, 18:42

Practice with area

Assignment

A regular pentagon has an apothem measuring 20 cm

and a perimeter of 145.3 cm.

What is the area of the pentagon?

square centimeters

20 cm

Intro

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Answers (1)
  1. 11 January, 18:57
    0
    1453 cm²

    Step-by-step explanation:

    The area of a regular polygon is given in terms of its perimeter and apothem by ...

    A = (1/2) Pa

    A = (1/2) (145.3 cm) (20 cm) = 1453 cm²

    The area of the pentagon is 1453 square centimeters.
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