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1 August, 00:36

A steel pipe is 55cm long and has an inside radius of 8cm and an outside of 10cm. What volume of steel is needed to manufacture this length of pipe?

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  1. 1 August, 02:10
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    The volume of steel needed to manufacture the 55cm pipe is

    11,052.80 cm³

    Given:

    length or height = 55 cm long

    inner radius = 8 cm

    outer radius = 10 cm

    volume of pipe = ?

    Pipe volume is computed by multiplying pi with radius raised to the 2nd power and by the height of the pipe.

    Pipe volume = π r² h

    let π = 3.14

    radius used is the inner radius of the tube = 8cm

    Pipe volume = 3.14 * (8cm) ² * 55cm

    Pipe volume = 3.14 * 64 cm² * 55 cm

    Pipe volume = 11,052.80 cm³
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