Answer:
In a square, all sides are equal. This means that each side is 3x inches in length.
The sum of the sides is 48 inches
There are 4 sides in a square.
3x + 3x + 3x + 3x = 48
12x = 48 ----> is the equation
This means that x = 4
Each side is 3x inches in length, hence each side is also 3(4) which is 12 inches or 1 feet.
Explanation: