What is the perimeter of a semicircle with a diameter of 90cm

Vineet Goel asked May 26, 2022

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Vineet Goel asked May 26, 2022

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14 votes

P= 2r + 1/2 pi r
P= 2 x 90 + 1/2 pi 90
P= 180 + 45 pi. Or 321.371 cm

Jasminka answered Jun 2, 2022

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