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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
Done

User Slindberg
by
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1 Answer

6 votes

Answer:

1453 cm²

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.

User Marline
by
5.3k points