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23 December, 00:32

A cylindrical garbage can has a radius of 2.8 feet holds approximately 86.21 cubic feet of trash. Find the approximate height of the garbage can.

3.5 ft

9.8 ft

5.2 ft

1.9 ft

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Answers (1)
  1. 23 December, 01:40
    0
    V=hpir²

    solve for h just for fun

    divide both sides by pir²

    v / (pir²) = h

    given

    v=86.21

    r=2.8

    pi=3.141592

    86.21 / (3.141592*2.8²) = h

    3.5=h

    answer is 3.5ft
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