If the area of a circle is 24.64 cm square find its radius and circumference
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area of circle= 24.64cm^2
area = πr^2
= 22/7 * r^2=24.64
r^2= 24.64*7/22
= r^2 = 7.84
r= 0.28cm
circumference= 2πr
2*22/7*0.28
=1.76cm
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