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Question

Two cylinders A and B are formed by folding a rectangular sheet of dimensions 20cm×10cm along its length and also along its breadth respectively. Then volume of A is ________ of the volume of B.


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Solution

Rectangular sheet dimension is 20cm×10cm

  • When a cylinder is folded along its length, which is20cm, then the resultant cylinder is with a height of 10cm.
  • Again, if a cylinder is folded along its breadth, which is 10cm, then the resultant cylinder is with height of 20cm

When the above conditions are applied in the volume of cylinder formula,

Then we getv=2V


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