Question

If A = (0,0) and C = (r,s) in rectangle ABCD what are the coordinates of B and D?

Answer 1

There are two answers to this question depending on where where you label your point B.

assuming you put B on the y-axis:

B=(0,s)
D=(r,0)


assuming you put B on the x-axis:

B=(r,0)
D=(0,s).