Find the area of a circle if the circumfrence is 140cm
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.area of circumference =. 2πr=140cm
area of circle =πr^2
2πr=140
πr=70
=> r=(70÷π)
area of circle =π×(70÷π)^2
=>(70×70)×7/22
=>1559.72cm^2
.
area of circle =πr^2
2πr=140
πr=70
=> r=(70÷π)
area of circle =π×(70÷π)^2
=>(70×70)×7/22
=>1559.72cm^2
.
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