The circumference of a circle is220cm. find its area.
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Answer:
3850
Circumference of circle =220cm [ Given ]
Circumference of circle =2πr
⇒ 220=2× 22/7 × r
⇒ r = 220 × 7/22 × 1/2
⇒ r = 5 × 7
∴ r = 35cm²
⇒ Area of circle = πr²
= 22/7 × 35 × 35
=22×5×35
= 3850cm² Ans.
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