The minute hand of a wall clock is 7 cm. The distance covered by it in one day .
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Answer:
Radius = minute hand = 7 cm
1 hour = 1 revolution = circumference
Dist covered in 1 hour = 2πr
= 2 × 22/7 × 7
= 44 cm
Dist covered in a day = 44 cm × 24 hr
= 1026 cm
= 10m 26 cm .
Hence , the minute hand covers 10m 26 cm in one day .
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