What is the diameter of a circle whose area is 616meter
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Answer: 392m
Step-by-step explanation:
We know that area of a circle is 22/7xr^2
And diameter= 2r
And radius= D/2
So
616= 22/7 x D/2 x D/2
616= 11/7 x 2D/2
4312= 11D
4312/11= D
392m= D= diameter
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