Find the radius of a circle so that its area and circumference have the same value

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asked Jan 3, 2018 191k views

1 Answer

Rajnikant Kakadiya · Answer 1 · 2018-01-07T09:33:44+0000

Area = pir^2
Circumference = pi * diameter
You can cancel out pi since both equations have it; now if r^2=d then r has to be 2 as 2^2=4 and d=2r so if r is 2 d=2(2) = 4

Find the radius of a circle so that its area and circumference have the same value

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