The area of a circle is 616cm.sq.Find its circumference.
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Area of circle = 616cm sq.
➡πr^2 = 616
➡22/7*r^2 = 616
➡r^2 = 616*7/22
➡r^2 = 196
➡r = √196
➡r = 14
radius = 14cm
Circumference of circle = 2πr
2*22/7*14 = 88cm
➡πr^2 = 616
➡22/7*r^2 = 616
➡r^2 = 616*7/22
➡r^2 = 196
➡r = √196
➡r = 14
radius = 14cm
Circumference of circle = 2πr
2*22/7*14 = 88cm
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The circumfrnce of the circle 88cm
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