Question

A cylindrical tube open at both ends is metal. The internal diameter of the tube is 10.4cm and its length is 25cm. The metal everywhere is 8mm thick. Calculate the volume of the metal.

Answer 1

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

MATHS

A cylindrical tube open at both ends is made of metal. The internal diameter of the tube is 10.4 cm and its length is 25 cm. The metal everywhere is 8 mm thick. Calculate the volume of the metal.

January 17, 2020Rituparna Giri

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ANSWER

If cylinder has inner diameter is 10.4cm and thickness is 8mm=0.8cm

∴ outer diameter is 11.2cm

∴ volume with outer diameter is =πr2h=3.14×(11.2)2×25

=9847.04cm3

and volume with diameter inner 10.4cm is

=3.14×(10.4)2×25

=8490.56cm3

Now volume of metal is

=9847.04−8490.56=1356.48cm3