# Aptitude | Mensuration 3D | Question 2

A sheet of paper in square shape is rolled along its length to make it a cylinder. What is the ratio of the base radius to the side of the square?**(A)** 5/2π**(B)** 3/2π**(C)** 2/π**(D)** 1/2π**Answer:** **(D)****Explanation:**

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