The perimeter(p 2l+2w)of a rectangle is 18 cm. if w is the width of the rectangle and l is the length, which graph below shows the relationship between the width and the length of the rectangle?

the question does not present the options, but this does not interfere with the resolution

we know that

Perimeter of rectangle=2*[W+L]

where

L is the length of rectangle

W is the width of rectangle

Perimeter=18 cm

so

18=2*[W+L]-----> divide by 2------> 9=W+L

Let

x-------> L

y-------> W

then

x+y=9

using a graph tool

see the attached figure

the slope of the line is m=1

the x intercept is the point (9,0)

the y intercept is the point (0,9)

dc=6 square root of 3 and ac is 12 square root 3

c and d

step-by-step explanation:

square root of 3/2 = 18/c

cross multiply to get 18*2=√3*c

36/√3 * √3/√3 = c

c= 36*√3/3

c=12√3

step-by-step :