circumference of circle is 132 cm find its area?
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Step-by-step explanation:
circumference of a circle = 2πr
=> 132cm = 2 × 22/7 ×r
=> r = (132 × 7)/44
therefore r = 21cm
area of a circle = πr²
= 22/7 × 21cm × 21cm
= 22 × 63cm²
= 1386cm²
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