The area of a rectangular space is 128 square feet. What are the possible pairs of whole number dimensions in feet?

Answer 1

4 * 32
8 * 16

Answer 2

area of rectangle is length x width. Therefore, we list all the factors of 128 in pairs:
1 x 128
2 x 64
4 x 32
8 x 16

Answer 3

Thanks, Jai. I missed the two obvious answers.