The area of a circle is 616 cm sq. Then find its circumference
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answer= circumference of a circle is 88 cm....
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Answer: r =14
And c=88
Step-by-step explanation:
Area of circle=πr^2
Area=616
22/7×r×r=616
r^2=616×7/22
r^2=196
r=√196
r=14
Circumstances=2πr
=2×22/7×14
=88
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