A plane intersects one nappe of a double-napped cone such that it is perpendicular to the vertical axis of the cone. Which conic

Question

A plane intersects one nappe of a double-napped cone such that it is perpendicular to the vertical axis of the cone.
Which conic section is formed?
O hyperbola
O ellipse
O circle
O parabola

Kunduz · Accepted Answer

Click to see the answer