Jothy
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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?

Respuesta :

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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