how many different rectanagles exist which have whole numbers as the length and width,and also have an area of 36sq.cm?

Answer 1

36
= 1x36
= 2x18
=3x12
=4x9
= 6x6

Answer 2

Factors of 36:

6 x 6
4 x 9
3 x 12
2 x 18
1 x 36