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OpenStudy (anonymous):
What is the perimeter of a regular pentagon in which each side is 9 centimeters long? thirty-six centimeters forty-five centimeters seventy-two centimeters ninety centimeters
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Parth (parthkohli):
A pentagon has \(5\) sides, so you can add \(9\) to itself five times.
OpenStudy (anonymous):
45
Parth (parthkohli):
that's it =)
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