The square is rotated about the axis we get a hollow cylinder.
We have given a diagram,
What is the axis of rotation?
The straight lines through all fixed points of a rotating rigid body around which all other points of the body move in circles.
Therefore if we rotate the given square around the given axis
We get the,
That a hollow cylinder whose axis is the axis shown in the diagram,
viewed in a direction parallel to this axis.
The square is rotated about the axis we get a hollow cylinder.
To learn more about the rotation of axis visit:
https://brainly.com/question/14790268