Question

Which of the following is formed by the intersection of a right circular cone and a plane?

A. Conic section
B. Nappe
C. Linear equation
D. Vertex

Answer 1

A. Conic section.

Explanation:

If you intersect a right circular cone with a plane you can form a conic section: circumference, hyperbole, ellipse and parable; like is show in the image attached.

Answer 2

B. Nappe

Explanation:

A Nappe is formed by the intersection of a right circular cone and a plane.