Question

When we slice a three-dimensional object, we expose new faces that are two dimensional. The two-dimensional face is called ______________.

Answer 1

Cross section

Explanation:

Cross section refers to the new two dimensional face exposed when we slice through a three dimensional objects.

It can also be the surface or shape exposed by making a straight cut through something, especially at right angles to an axis.

Cross section is the plane surface(two-dimensional objects) formed by cutting across a solid shape (three-dimensional shape) especially perpendicular to its longest axis.