A clock has its minute hand of length 7 cm What area will it swept in covering 10 minutes ........

Quantitative Aptitude ( CCS) Mensuration 2D

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A clock has its minute hand of length 7 cm. What area will it swept in covering 10 minutes?

32.17 cm²

25.67 cm²

45.45 cm²

41.23 cm²

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Explanation:

Length will be the radius, so r = 7cm
Minute hand covers 360^o in 60 minutes
So in 10 minutes it covers = 60^o
Area of arc = angle it makes/360 * πr²
So area covered = 60/360 * 22/7 * 7 * 7 = 25.67

By: Amit Kumar

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A clock has its minute hand of length 7 cm What area will it swept in covering 10 minutes ........

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