The area of a circle is 616 m2. Find its circumference.
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let the area be 616 m2
Area of circle =πr²
π=22/7
616=22/7*r²
r²= 616*7/22
r²=196
/r=√196
r=14
Circumference of circle
circumference=2πr
=
2*22/7
circumference=88
it's your answer
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