Find the area of the shaded region in figure, where the arcs drawn with centres A, B,C and D intersect in pairs at mid - point P, Q, R and S of the sides AB, BC, CD and DA respecteively of a square ABCD of side 12 cm.
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Step-by-step explanation:
Area of shaded region = Area of square - 4 x Area of quadrant
= a² - π r²
= 12 x 12 - 3.14 x 6 x 6
= 144 - 113.04
= 30.6 cm²
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