Math, asked by shantymolthomas77, 4 months ago

the perimeter of a semicirle is 180cm find its radius

Answers

Answered by amanraj56

0

Step-by-step explanation:

perimeter of semi cirlce= πr+d

= πr+2r

180= r(π+2)

180= r(22/7+2)

180= r× 36/7

(180×7)/36= r

35= r

hence radius of semi-circle is 35

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