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

      Examples of Regular Polyhedron
    All the above polyhedrons are the examples of regular polyhedron.

Video Examples: Regular Polyhedron


Solved Example on Regular Polyhedron

Ques: Identify the regular polyhedron.

    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.