Question

5. A square sheet of paper is converted into a cylinder by rolling it along its length What
is the ratio of the base radius to the side of the square?
(A) 1/37
(B)1/21
(C)1/41
(D) 1/V37​

Answer 1

Answer:

Cylinder is made by rolling a square sheet of paper along its side.

Base radius of cylinder =r.

Side of Square =a.

Perimeter of base circle = side of square.

2πr=a

r/a=1:2 π