The length of the rectangle is 20 m.
The width of the rectangle is 16 m.
The perimeter of a rectangle can be determined using the following formula:
Perimeter of rectangle = 2(length + width).
Let x represent the length of the rectangle. Therefore, we would have the following given parameters for the rectangle:
Length of the rectangle = x meters
Width of the rectangle = (x - 4) meters
Perimeter of the rectangle = 72 meters
We would have the following equation:
2(x + (x - 4)) = 72
Open the bracket and solve for x
2(x + x - 4) = 72
2(2x - 4) = 72
4x - 8 = 72
4x = 72 + 8
4x = 80
4x/4 = 80/4
x = 20
Length of the rectangle = x = 20 m
Width of the rectangle = (x - 4) = 20 - 4 = 16 m
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