Question

1. choose the best answer.

a ___ is the intersection of a plane with one or both nappes of a double cone.
nappe
double cone
cone
conic section

Explanation:

A conic section is formed when a plane intersects a double - cone. A nappe is a part of the double - cone. A double - cone is the entire structure. A cone is a single - napped cone. The definition given in the question matches the definition of a conic section.

Answer:

conic section