Question

In a right circular cone, the cross-section made by a plane parallel to the base is a ______.

Options

• circle

• frustum of a cone

• sphere

• hemisphere

Answer 1

In a right circular cone, the cross-section made by a plane parallel to the base is a frustum of a cone.

Explanation:

We know that, if a cone is cut by a plane parallel to the base of the cone, then the portion between the plane and base is called the frustum of the cone.