How to <span title="solve.............................................................................?">solve.......................</span>

Question

A grid of squares measuring 9 units by 6 units has two corners removed. How many squares of any size are contained within the grid?

Just in case you didn't understand the question:

There is a rectangle filled with squares, 9 squares going across and 6 down and two corner suqares have been removed. Howq many squares are contained of any size within that grid?

Answer 1

If they are 12inch squares there would be 52 squares ( with 2 of the corners taken out ) 7/30