### Home > GC > Chapter 11 > Lesson 11.1.4 > Problem 11-53

11-53.

**Examine** the diagram of the cone at right.

How could you slice the cone so that the cross-section is a triangle?

Look at the cone. What part resembles a triangle?

What cross-section do you get if you slice the cone horizontally?

Look at the top of the cone. What shape is this?

Lois is thinking of a shape. She says that no matter how you slice it, the cross-section will always be a circle. What shape is she thinking of? Draw and describe this shape on your paper.

A sphere. Be sure to draw the shape.