Follow along as the instructor explains what makes a solid shape a cylinder. Yes, learning the meaning of these terms: cylinder, base, curved side, curved face, congruent bases, solid, three dimensional, area, circumference, parallel,...

One base, triangular sides, and defined polygons are all parts of what make up a pyramid. Check out this video and see the instructor draw pictures of a variety of pyramids. She identifies the specific parts and gives them names based on...

What are the things that make a shape a cone? Here's a list of things that define a cone: base, height, vertex, radius, curved side. Are you familiar with all these terms? The teacher diagrams a cone and identifies all the components in...

Is prism just another mathematical term for a solid? It must be since this lesson is about volume. The teacher illustrates and explains how to find the volume of a rectangular prism and also how to find the volume of a triangular prism....

The teacher diagrams and explains the different terms of what comprises a sphere. Follow along and learn about the: radius, diameter, great circle, center, and hemisphere.

Break down interior and exterior angles with this video. Using a pentagon, a teacher demonstrates how to find the interior and exterior angles of a polygon. She goes on to explain a few of the properties of these angles, writing down all...

Rays are very useful as two rays can create an angle, multiple angles can create a polygon, and by adding another dimension you get three-dimensional solids. This tutorial introduces you to rays and shows you how to name them. [4:51]

Demonstrates what types of shapes one can get in a cross-section when a rectangular pyramid is sliced. [3:29]