Question

The length of a rectangle is 2 cm longer than its width.
If the perimeter of the rectangle is 56 cm, find its length and width.

Answer 1

In a rectangle, there will be two sets of equal lengths:
56 = 2(x) + 2(x + 2)
56 = 2x + 2x + 4
56 = 4x + 4
52 = 4x
13 = x
Width = 13cm
Length = 15cm