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A cross-section may be a shape we get when cutting 3D figures by a plane.

Example:

Cross-section of a cone.

There are two different types of the cross-section.

- Horizontal or parallel cross-section
- Vertical or perpendicular cross-section

Horizontal cross-section: A plane cuts the solid shape in the horizontal direction(parallel to the base).

Vertical cross-section: A plane cuts the solid shape in the vertical direction(perpendicular to the base).

Example:

The horizontal cross-section of the cylinder is a circle and the vertical cross-section of the cylinder is a rectangle.

Horizontal cross-section | Vertical cross-section |

Some of the \(3D\) shapes with its horizontal cross-section are given below.