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The area swept by the minute hand of length 14 cm in 35 minutes is
A359.33 sq cm
B154 sq cm
C77 sq cm
D180 sq cm
Answer & Solution
Correct answer: A. 359.33 sq cm
1. Angle in 35 min = 35/60 × 360 = 210 degrees.
2. Area = (210/360) × (22/7) × 14 squared = (7/12) × 616.
3. = 359.33 sq cm.
_Source: NCERT Class 10 Mathematics, Ch 11 "Areas Related to Circles", §11.2_
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