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Question

Calculate the area of the shaded region in figure, common between the two quadrants of circle of radius 8 cm each.
1377583_eb116d3b231947ab8c137119e2efe823.png

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Solution

Area of designed region= Area of first quadrant+Area of second quadrantArea of square.
=θ360×πr2+θ360×πr2side×side
=2θ360×πr2side×side
=2×90360×227×8×88×8
=2×352764=7044487=2567cm2

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