Sagot :
Answer:
length= 24 width= 18
Step by step:
perimeter=84
let length=x and width=x-6
Perimeter= 2l+2w
84 = 2(x)+2(x-6)
84 = 2x+2x-12
84= 4x-12
84+12=4x
96=4x
96/4=4x/4
24=x
x=24
Answer:
length= 24 width= 18
Step by step:
perimeter=84
let length=x and width=x-6
Perimeter= 2l+2w
84 = 2(x)+2(x-6)
84 = 2x+2x-12
84= 4x-12
84+12=4x
96=4x
96/4=4x/4
24=x
x=24