Mensurationhard · Past Paper
Area of the shaded region: a square of side 10 cm with four quadrants of radius 5 cm at corners removed.
A21.5 sq. cm
B78.5 sq. cm
C25 sq. cm
D50 sq. cm
✓ Correct Answer: A — 21.5 sq. cm
Area = 100 - pi * 5^2 = 100 - 78.5 = 21.5 sq. cm.
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