

Work out the areas of the triangles, the big square and the 'C' square, and Pythagoras's theory sort of falls out of it.
I'd only ever learnt it by wrote before...
( , Tue 15 Sep 2009, 16:05, Reply)

from the Goonies
( , Tue 15 Sep 2009, 16:22, Reply)

I thought that the outer square looked skew-whiff, even though you can *see* they're straight to the edge of the jpg...
Mnrrrrrg
( , Tue 15 Sep 2009, 16:34, Reply)