a semicircle is cut along its breadth from a rectangular sheet of paper having length 30 cm and breadth 28 cm find the area left
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Breadth of rectangle =22cm
Length of rectangle =35cm
The diameter is equal to the shortest side of the rectangle.
Therefore,
Radius of circle =222=11cm
∴ Area of circle =πr2=722×(11)2=380.28cm2
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