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Ali Kazi · Answer 1 · 2023-08-28T07:50:51+0000

To find the circumference you do 2x3.14 times radius and for the area you do 3.14 times the radius^2 area for a would be 78.5mm and circumference would be 31.4mm and for b the area is 113.04in and circumference is 37.68

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