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The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour. (Take π = 3.14) - Mathematics

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Question

The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour. (Take π = 3.14)

Sum
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Solution

Distance travelled by the tip of minute hand = Circumference of the clock

= 2πr 

= 2 × 3.14 × 15

= 94.2 cm

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Chapter 11: Perimeter and Area - Exercise 11.3 [Page 224]

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NCERT Mathematics [English] Class 7
Chapter 11 Perimeter and Area
Exercise 11.3 | Q 17 | Page 224

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