Find the perimeter of a semicircle with a radius of 7 cm. (Use pi = 22/7)

A22 cm

B36 cm

C44 cm

D58 cm

Explanation

Perimeter of semicircle = pi * r + 2r = (22/7) * 7 + 2(7) = 22 + 14 = 36 cm.

Exam Relevance

Topic: Geometry & Mensuration
Subtopic: Circles

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