Question

A regular cone is been cut by a plane which is parallel to the axis of cone, the section formed will be like ______________

(a) ellipse

(b) triangle

(c) circle

(d) parabola

This question was posed to me by my college professor while I was bunking the class.

Question is from Sections of Cones topic in section Section of Solids of Engineering Drawing

Answer 1

The correct answer is (b) triangle

For explanation: If a cone made to cut by a plane parallel to its axis and some distance away from it the section formed is hyperbola. If the section plane is perpendicular to axis the section is circle. If section plane passes through apex the section formed is a triangle.