The circle is rotated about an axis it forms a circular ring of the thickness as the circle has.
What is Geometry?
It deals with the size of geometry, region, and density of the different forms both 2D and 3D.
Given
The picture is the rotation.
If the point is rotated about the axis it forms a circular ring of no thickness.
The circle is rotated about an axis it forms a circular ring of the thickness as the circle has.
It will look like a bangle.
Thus, the correct option is B.
More about the geometry link is given below.
https://brainly.com/question/7558603