Question

A patio is to be built with 160 tiles. In how many different rectangular arrays can it be arranged?

Answer 1

The factors of 160 are:
1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160
160x1, 80x2, 40x4, 32x5, 20x8, 16x10, 10x16, 8x20, 5x32, 4x40, 2x80, 1x160
if the disposition of a x b and b x a is diferents rectangle, 12 rectangles can be arranged
if the disposition of a x b and b x a is equal rectangle, 6 rectangles can be arranged

Answer 2

Thank you!