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Answer: Choice A

Explanation:

When we rotate a rectangle around an axis of symmetry, we end up with a cylinder. Think of a revolving door or a turbine. The flat door moves through 3D space to produce or carve out a 3D cylinder.

This figure is composed of two rectangles, so we'll end up with two cylinders. They will both share the same center, so we'll have a sideways two-layer wedding cake structure when everything is said and done. This points to choice A as the final answer.

The solid of revolution, which is produced by rotating the shape below 360° about the provided axis, is the first one. Option A is correct.

What is solid of revolution?

Solid of revolution is the method to obtain the solid figure by the plane. When a plane is revolving about an axis, a solid figure is obtained whose shape is depending on the shape of the plane.

In the problem,

  • A plane is given which is in the elbow shape.
  • The axis around which it has to revolve is horizontal.
  • The plane is kept at this axis from the base of it.

The solid generated with this plane is full rotation, and it will look like the stand of the pole.

Thus, the solid of revolution, which is produced by rotating the shape below 360° about the provided axis, is the first one. Option A is correct.

Learn more about the solid of revolution here;

https://brainly.com/question/338504

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