A rectangular piece of paper 11 cm × 4 cm
is folded without overlapping to make a
cylinder of height 4 cm. Find the volume
of the cylinder.
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answer:-
Given a Rectangular piece of paper 11cm×4cm is folded without overlapping to make a cylinder of
- height 4 cm
The length of the paper becomes the circumference of the base of the cylinder and width becomes height.
Let radius of the cylinde radius =r and height=h
Circumference of the base of cylinder =2πr=11cm
⇒2× 22/7 ×r=11
∴r= 47cm
- Now h=4cm
Volume of the cylinder (V)=πr2h
= 22/7 × 47 × 47 ×4cm
=38.5cm
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