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12 July, 17:47

The minute hand of a clock is 15 cm long how far does the tip of the minute and travel in 20 minutes

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  1. 12 July, 18:01
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    20 mins means the hand moves 120 degrees around the clock.

    The formula to find the arc length is 2pi*r*a/360

    2*pi*15*1/3=30pi*1/3=10pi

    so i think the answer would be 10 pi cm
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