Question

The [diagram] shows a cylindrical shell and its axis of rotation. If a plane passes through the axis of rotation, which cross section will be formed?

A: shape 1

B: shape 2

C: shape 3

D: shape 4

Answer 1

The answer is B. shape 2

Answer 2

Shape 2

Explanation:

We are given a cylindrical shell with its axis of rotation.

It is given that a plane passes through its axis of rotation.

Now, as we can see that when a plane passes through the axis of rotation, which is vertical, we will obtain a cross-sectional area resembling rectangular planes.

Hence, the cross-sectional area obtained according to our question will be shape 2 depending on the plane passing through the cylindrical shell.