Question

the perimeter of a circle is 198cm, find its radius​

Answer 1

Perimeter of circle = 198 cm

2πr = 198

2 x 22/7 x r = 198

44/7 x r = 198

r = 198 x 7 / 44

= 1386/44

r = 31.5

Thus , the radius of circle is 31.5 cm .

Answer 2

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