Question

if the perimeter of a semi circle is 36 cm.find it's radius​

Answer 1

Step-by-step explanation:

perimeter of a circle is 2pie r

36=2*22/7r

36=44/7r

r=7*36/44

r=5.72cm

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Answer 2

Step-by-step explanation:

2πr = 36

πr = 18

r = 5.72 cm

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