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The minute hand of a circular clock is 1...

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 `pi=3.14`)

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Radius of the circular clock (r) = 15 cm Circumference of the circular clock = 2πr
= `2 × 3.14 × 15` cm
= `94.2 cm`
...
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NCERT-PERIMETER AND AREA-EXERCISE 11.3
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  10. Find the circumference of the circles with the following radius: (Take...

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  14. 6).From a circular sheet of radius 4 cm, a circle of radius 3 cm is re...

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