Question

hollow cylinder made of wood has thickness 1 centimetre will its external radius is 3 CM if the height of the cylinder is 8 cm then find the volume​

Answer 1

Answer:

internal radius(r1)=3-1=2cm.

external radius(r2)=3cm.

h=8cm. vol.=?.

volume={pi ×(r2^2-r1^2)×h}

=22/7×5×8

=3.14×40

=125.6 ANS.

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Answer 2

Answer:

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