Question

how many rectangles are there on a chess board?

i've tried twice and got 168 is this right? my friend said i'm way short.

any help would be much appreciated.

thank you

Answer 1

Check this for a start (squares):
http://mathforum.org/library/drmath/view/56760.html
The end of the article shows what to do for rectangles.

Answer 2

Thanks MathMate,

boy looks like i was way off.

thanks for the help

cc