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From a circular sheet of radius 4cm, a circle of radius 3cm is removed. The area of the remaining sheet is |
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Answer» The area of the circular sheet with 4cm radius is, A=πr2 =16π The area of the circular sheet with 3cm radius is, A=πr2 =9π Since the circle with radius 3cm is removed, then the remaining area is, A=16π−9π =7π =7×3.14 =21.98cm2 |
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