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1 May, 13:45

The minute hand of a clock is 7 inches long. how far does the tip of the minute hand move in 35 minutes? if necessary, round the answer to two decimal places.

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  1. 1 May, 15:51
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    An hour is 60mins or 1 rotation

    so

    the hand moves 35/60 of the circumference of the clock

    so

    c=2pir

    r=length of hand=7

    c=2pi7

    c=14pi

    then, we have 35 out of 60 mins or 35/60=7/12

    7/12 times 14pi=98pi/12=49pi/6≈25.66 inches
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