Math, asked by shaileshsingh1881, 9 months ago

If the perimeter of semi circular protector is 36 find its diameter

Answers

Answered by InFocus

3

Answer:

perimeter of semicircle= πr+2r

perimeter is 36cm

36=22/7r+2r

36=22r+14r/7

36=36r/7

r=36×7/36

r=7

Diameter=2×7 =14

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