Face

Definition of Face

A Face is a flat surface of a three-dimensional figure.

More About Face

    The surface on the sides of a solid is called a lateral face or lateral surface.

Video Examples: Face centered cubic fcc


Example of Face

    The figure below shows two of the six faces of a cube
       example of  Face

Solved Example on Face

Ques: Which of the following shows the factors of 30?

    Choices:
    A. 30 = 5 2 2
    B. 30 = 5 5 2
    C. 30 = 5 3 2
    D. 30 = 5 3 3
    Correct Answer: C

Solution:

    Step 1: The number 30 can be written as 5 6.
    Step 2: 5 6 = 5 3 2 [Rewrite 6.]
    Step 3: So, the factors of 30 are 5, 3, and 2 or 30 = 5 3 2.