Math, asked by 1ramnaraipri, 8 months ago

The perimeter of a semicircle is 20.56 millimetres. What is the semicircle's area? Use 3.14 for pi

Answers

Answered by kewal6186

1

Answer:

Circumference=pi x d. Therefore 20.56=d x (1+pi/2). Therefore d=20.56/(1+pi/2)= approx 8 Km.

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