Hosted by The Math Forum

Problem of the Week 1001

Rectangles in a Staircase

_____________________________________________
MacPoW Home ||  Forum PoWs ||  Teachers' Place ||  Student Center ||  Search MacPoW
 _____________________________________________

How many rectangles are in the 11×11 configuration illustrated?

A square counts as a rectangle. For example, in the corresponding 2×2 case, there are 5 rectangles.

© Copyright 2004 Stan Wagon. Reproduced with permission.

[Privacy Policy] [Terms of Use]

_____________________________________
Home || The Math Library || Quick Reference || Search || Help 
_____________________________________

© 1994-2008 Drexel University. All rights reserved.
http://mathforum.org/
 The Math Forum is a research and educational enterprise of the Drexel School of Education.The Math Forum is a research and educational enterprise of the Drexel School of Education.


11 February 2004