Cubes

Paperbaby just sent us a beautifully colourful postcard. Here it is for you to enjoy. Please, write him back!

colourful squares


Credits and source attribution
Credit: Brian Sears
http://users.tru.eastlink.ca/~brsears/math/oldprob.htm#s32
Thanks to Dave Pritchard for bringing it to our attention:
http://mathoverflow.net/questions/8846/proofs-without-words

Advertisements

Leave a Reply (please notice that comments are moderated and may be edited at our discretion)

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s