Aptitude | Mensuration 3D | Question 2
If Jimmy rolls a sheet of paper initially square-shaped along its length to make it a cylinder. Find what will be the ratio of the base radius of the cylinder to the side of the square?
None of the above
Answer: (A) (D)
Perimeter of base circle = side of square
2πr = a
r/a = 1 : 2π
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