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put this solution on YOUR website!Rough sketch helps,,,this shows a circle with a square inside
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If area of square is 64,, A=s^2, s=8 cm
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If sides = 8, diagonal = sqrt( 8^2 +8^20 = 8sqrt2 = 11.314
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Diagonal of square = twice radius of circle,, radius = 4sqrt2, = 5.657
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Area of circle = pi r^2 = pi * (4sqrt2)^2 = 100.53
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Area of shaded = Area of circle - Area of square = 100.53 -64 = 36.53
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