How many rectangles can be drawn on this grid if each vertex must be on a dot in

[BAM]

the grid? Justify your answer * * * * There's your grid. and squares are
* * * * rectangles, aren't they??
* * * *
* * * *

[gladys]

Width and height can both be 1 2 or 3 so:

3 wide by 3 high = 1
3 wide by 2 high = 2
3 wide by 1 high = 3

2 wide by 3 high = 2
2 wide by 2 high = 4
2 wide by 1 high = 6

1 wide by 3 high = 3
1 wide by 2 high = 6
1 wide by 1 high = 9


Total = 36