r=2.8 ,value of pie is 3.14 .find the perimeter of semi circle
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perimeter of semicircle = 2πr/2
πr= 3.14×2.8=8.792cm(ans)
πr= 3.14×2.8=8.792cm(ans)
Answered by
2
Peremeter of semi circle = 2πr/2 =. πr = 3.14 × 2.8 = 8.792
hope it helps
hope it helps
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