**Definition of Regular Polyhedron**

- Regular Polyhedrons are the solids with identical regular polygons as their faces.

**More about Regular Polyhedron**

- There are five regular polyhedrons: cube, tetrahedron, octahedron, dodecahedron, and icosahedron, and these are also called as platonic solids.

**Examples of Regular Polyhedron**

- All the above polyhedrons are the examples of regular polyhedron.

**Solved Example on Regular Polyhedron**

Identify the regular polyhedron.

Choices:

A. Figure 1

B. Figure 2

C. Figure 3

D. Figure 4

Correct Answer: C

Solution:

Step 1:Regular Polyhedrons are the solids with identical regular polygons as their faces.

Step 2:Here, Figure 3 is an octahedron and it is a regular polyhedron as the faces of this octahedron are congruent and are regular polygons.

**Related Terms for Regular Polyhedron**

- Cube
- Dodecahedron
- Face
- Icosahedron
- Octahedron
- Regular Polygon
- Solid
- Tetrahedron