The area of a circle is 616cm². Find its diameter and circumference
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Ar of circle=616cm2
πr2=616
r2=616x7/22
r2=196
r=√196
r=14 cm
D=2r= 2x14=28cm
Circumference=2πr
C=2x22/7x14
C=88cm
πr2=616
r2=616x7/22
r2=196
r=√196
r=14 cm
D=2r= 2x14=28cm
Circumference=2πr
C=2x22/7x14
C=88cm
Answered by
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