regular polyhedron


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