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A square is circumscribed about a circle of radius 7 cm. The area enclosed between the circle and the square is
A42 sq cm
B77 sq cm
C154 sq cm
D196 sq cm
Answer & Solution
Correct answer: A. 42 sq cm
1. Square side = 2 × 7 = 14 cm; square area = 196 sq cm.
2. Circle area = (22/7) × 49 = 154 sq cm.
3. Difference = 196 - 154 = 42 sq cm.
_Source: NCERT Class 10 Mathematics, Ch 11 "Areas Related to Circles", §11.2_
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