Area and volume of the cone
1. Cone parts
In the picture, we see several examples of cones: a clown’s hat, the roof of a fireplace, an ice cream, a toy and a pencil point.
The cone has a circular base. Its height is also the axis of symmetry. It is the perpendicular segment from the vertex to the base VO. The VA segment is the generatrix and it is called like that because when it turns, it creates the lateral surface of the cone. It is also called side.
Look at this figure and answer these questions: