Two sides of a triangle are 12 cm and 14 cm. The perimeter of the triangle is 36 cm. What is its third side?

Explanation

To find the third side of the triangle, we can follow these steps:

### Step 1: Understand the perimeter of a triangle
The perimeter of a triangle is the sum of the lengths of all its sides. If we denote the sides of the triangle as A, B, and C, then:
\[ \text{Perimeter} = A + B + C \]

### Step 2: Identify the known values
From the problem, we know:
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