Answer :
Given:
Side of square = 7 cm
Radius of each quadrant = 7 cm
Area of square = side × side = 7 × 7 = 49 cm2
∵ Area of quadrant = πr2
∴ Area of 2 quadrants = 2 × × πr2
= ×
× 7 × 7
= 77 cm2
Area of shaded region = Area of 2 quadrants – Area of square
= 77 – 49 = 28 cm2
Hence, the area of shaded region is 28 cm2.
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