a9nlillshaz a9nlillshaz
  • 02-12-2016
  • Mathematics
contestada

The minute hand of a clock is 9.5cm long. how far will the tip of the hand travel in one day

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apologiabiology
apologiabiology apologiabiology
  • 02-12-2016
24 hours, so 24 rorations

find teh circumference
c=2pir
c=2pi9.5
c=19pi

24 hours
19pi times 24=456pi cm per day aprox
1432.565952cm
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