The width of a rectangle is x cm . If the length is 3cm longer then how long is the length and perimeter in terms of x?

Question

What is the length in terms of x  and what is the perimeter in terms of x 

Answer 1

Hello Chloe

 

W = x

L = W + 3 = x + 3

 

Perimeter, P = 2(L + W)

 

P = 2(x + 3 + x)

 

P = 2(2x + 3)

 

P = 4x + 6