The value of the third side is equal to 4 cm.
What is a perimeter?
The perimeter is defined as the sum of all the sides of the figure. For a triangle, it is the sum of all the sides of the triangle.
Given that:-
- The perimeter of the triangle shown is 18 cm
The third side will be calculated as:-
P = Sum of all three sides
P = 6 + 8 + x
Suppose the third side is x cm as mentioned in the above equation
18 = 14 + x
x = 18 - 14
x = 4 cm.
Therefore the value of the third side is equal to 4 cm.
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