Find the sum of distance travelled by the tip of the hands of the clock

The short and the long hands of a wall clock are 8 cm and 12 cm long, respectively.Find the sum of distances travelled by their tips in 3 days.
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1 Answer

The hour hand makes two revolutions (4π) in one day so in 3 days it makes 6 revolutions (12π). The distance travelled is 12π*8=96π cm=301.59cm (approx).

The minute hand makes 24 revolutions (48π) in one day and 72 (144π) in 3 days. Distance travelled is 144π*12=1728π=5428.67cm (approx).

by Top Rated User (1.1m points)

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