Math, asked by sweetyng6500, 1 year ago

Find the exact circumference of a circle with the given radius. 3¼ inches

Answers

Answered by pavithrak1947

1 inch=2.54cm
Thus 3 1/4 inches or (3*4+1)/4= 13/4inches =8.255cm (by cross multiplication)

Now circumference of circle is 2*pi*r
=2*3.14*8.255 = 51.867cm

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