Answer:
the area of the rectangle is 18 sq inches.
It generally means the length and width of the rectangle should be the multiples of 18.
There are 3 possible answers.
lenght=18/width=1 or length=1/width=18
lenght=2/width=9 or length=9/width=2
lenght=6/width=3 or length=3/width=6
Explanation:
6 by 3
9 by 2
18 by 1