Definition Of Flat Surface

A plane horizontal surface with no depths is called a Flat Surface.

Example of Flat Surface

How many flat surfaces are there in this figure?

Video Examples: Finding the coefficient of friction on a flat surface
 

Solved Example on Flat Surface

Ques: How many flat surfaces are there in this figure?

Choices:

A. 6
B. 5
C. 7
D. 4
Correct Answer: A

Solution:

Step 1: There are 6 planes or flat surfaces in this figure.

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