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The short and long hand of a clock are 6cm and 4cm long.find the sum of distance travelled by their tip in 48 hours?
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The short and long hand of a clock are 6cm and 4cm long.find the sum o...
Total revolution made by hour hand = {1×4}=4Total revolution made by minutes hand={12×4}=48Now,we have to find the radii of both hands as:-C = 2πr==> C = 2π(4)==> C = 8π==> C ≈ 25.133 cm/revolutionand the hour hand makes:C = 2πr==> C = 2π(6)==> C = 12π==> C ≈ 37.699 cm/revolutionSo the sums are:48(8π cm) + 4(12π cm)= 384π cm + 48π cm= 432π cm≈ 1,357.168 cmTherefore, the sum of the distances traveled is about 1,357 cm.That's all☺
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The short and long hand of a clock are 6cm and 4cm long.find the sum of distance travelled by their tip in 48 hours?
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