What the bastard is the rule for determining the lengths of the sides of a right angle triangle when you know all the angles and the length of one side?
EDIT: brucius has supplied the answer.. or an answer - it worked either way.
Edit again: Changed the pic to a better one. The beaten metal texture isn't the desired end result, its just a handy one for highlighting the edges and stuff.
evilrobotshane - this should be passingly familiar.