Triangle ABC is shown.

What three-dimensional figure results from rotating the triangle 360° about segment AC ?

A.) cone

B.) cylinder

C.) pyramid

D.) sphere

A.) cone

B.) cylinder

C.) pyramid

D.) sphere

Think of grabbing onto the figure at B, and rotating it in a circle, while segment AC stays exactly where it is. What

figure would be formed from the rotation?

figure would be formed from the rotation?