[size=100][size=150][b]Touch [/b]or [b]click [/b]to [b]shade [/b]and count the squares at the diagonal. Drag the red point to change the dimensions of the rectangle.[/size][/size]
How many squares are there on the diagonal of a 9×5 rectangle?
How many squares are there on the diagonal of a 9×6 rectangle?
How many squares are there on the diagonal of a 12×8 rectangle?
In general, how many squares are there on the diagonal of a m×n rectangle?