Find the radius and the circumference of a circle whose area is 144pie cm
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Area of circle=144π
πr2=144π( cancel the π)
r2=144
r=√144
r=12
Circumference of circle= 2πr
= 2×22/7×12
=528/7
=75.42 or 75.43
πr2=144π( cancel the π)
r2=144
r=√144
r=12
Circumference of circle= 2πr
= 2×22/7×12
=528/7
=75.42 or 75.43
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