Question

A rectangle has a length of 4x + 5 and a width of 8x - 4. Which expression shows the perimeter of the rectangle?

A) 4x - 1
B) 12x -2
C) 12x + 1
D) 24x + 2 ​

Answer 1

D

Explanation:

perimeter=2(l+b)

2[(4x+5)+(8x-4)]

2(4x+8x+5-4)

2(12x+1)

24x+2