Answer: 1
Explanation:
the two points given tell us the following information:
the difference in y coordinates, (4), will be the width of the rectangle
the difference in x coordinates, (3), will be the length of the rectangle.
haha! actually the width is the length and the length is the width lol.
anyways, the length is 1 longer than the width, since 4 -3 = 1.