The circumference of a circle is 123.cm.Calculate area of the circle
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Step-by-step explanation:
circumference=2πr
2πr=123
r=123/2π=61.5/π
area=πr²
=π×(61.5/π)²
=61.5×61.5/π²
=61.5×61.5×7×7/22×22
=382.91cm²
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