Which intersection forms a circle?

A plane intersects only one nappe of a double-napped cone, and the plane is perpendicular to the generating line of the cone.

A plane intersects only one nappe of a double-napped cone, and the plane is parallel to the generating line of the cone.

A plane intersects only one nappe of a double-napped cone, and the plane is perpendicular to the axis of the cone.

A plane intersects both nappes of a double-napped cone, and the plane does not intersect the vertex.

Question

Mathematics

Vincent Tanner

7 September, 17:50

Which intersection forms a circle?

A plane intersects only one nappe of a double-napped cone, and the plane is perpendicular to the generating line of the cone.

A plane intersects only one nappe of a double-napped cone, and the plane is parallel to the generating line of the cone.

A plane intersects only one nappe of a double-napped cone, and the plane is perpendicular to the axis of the cone.

A plane intersects both nappes of a double-napped cone, and the plane does not intersect the vertex.

+3

Answers (1)

Know the Answer?

Journey Chen · Answer 1

A plane intersects only one nappe of a double-napped cone, and the plane is perpendicular to the axis of the cone.

In the first choice, you will have an ellipse. In the second choice, you will have a parabola. In the fourth choice, you will have a hyperbola.