prealgebra

A barrel shaped like a cylinder is laid on its side and rolled up a ramp. The barrel has a circular base that is
0.9m
in diameter. If the barrel turns
37
times in being rolled up the ramp, how long is the ramp?
Use the value
3.14
for
π
. Round your answer to the nearest tenth. Do not round any intermediate steps.

  1. 👍 0
  2. 👎 0
  3. 👁 1,987
  1. one roll = .9π
    37 rolls = 37(.9)π
    = 104.6 m

    1. 👍 1
    2. 👎 0
  2. Infinity

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    2. 👎 2

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