Question

8 Which expression could NOT be used to calculate the

perimeter of the rectangle below?
x + 10 2x
A: 2x(x + 10)
B: 2(2x + x + 10)
C:2(2x) + 2(x+10
D: 2x + 2x + x + 10 + x + 10

Answer 1

D: 2x + 2x + x + 10 + x + 10 is the expression that could NOT be used to calculate the perimeter of the rectangle.

To calculate the perimeter of a rectangle, you need to add up the lengths of all four sides, which are usually labeled as length (L) and width (W).