How to find the area of a cirlce ?
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area of circle formula A=πr2
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area of circle is πr² ...that is π = 3.14 or 22/7 ( a constant value ) r is the radius!! so if the radius is 7 ...the area of the circle is πr2 ..
22 / 7 * 7²
22/7 * 49
22 * 7 = 154 sq units
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