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anonymous

  • 4 years ago

A metal conduit will be used as a pathway for wiring through a concrete block. The conduit is a 4 foot long rod with an outer diameter of 2.2 inches and an inner diameter of 2 inches. What is the volume of metal in the conduit in cubic centimeters?

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  1. anonymous
    • 4 years ago
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    Find the volume of the outer cylinder and subtract the volume of the inner cylinder. Then convert to cm^3

  2. anonymous
    • 4 years ago
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    Volume of a cylinder = pi * r^2 * h

  3. anonymous
    • 4 years ago
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    [(pi * 1.1^2 * 48) - (pi * 1^2 * 48)] * (2.54cm/1in)^3

  4. anonymous
    • 4 years ago
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    Make sure to cube 2.54

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