Perimeter of a semicircle – InterviewSolution

1.	Perimeter of a semicircle
Answer» E PERIMETER of a semicircle is the SUM of the half of the circumference of the circle and diameter. As the perimeter of a circle is 2πr or πd. So, the perimeter of a semicircle is 1/2 (πd) + d or πr + 2R, where r is the radius.

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