Question 371673
Perimeter is the sum of the length of all sides of the rectangle.
A rectangle has 4 sides (2 lengths and 2 widths).
Given: length = 2x+4 and width = x
Perimeter = 2 lengths + 2 widths
Therefore Perimeter = 2(2x+4) + 2(x)
Perimeter = 4x+8 + 2x = 6x+8