by stupidityismygam » Sun Apr 05, 2009 2:12 pm
That is right. Here's my solution.
Let [unparseable or potentially dangerous latex formula] Let [unparseable or potentially dangerous latex formula] be the intersection of [unparseable or potentially dangerous latex formula] and [unparseable or potentially dangerous latex formula] Notice that [unparseable or potentially dangerous latex formula] So, [unparseable or potentially dangerous latex formula]
From Pythagorean Theorem we have that [unparseable or potentially dangerous latex formula] Also, since [unparseable or potentially dangerous latex formula] is a right triangle, we have that [unparseable or potentially dangerous latex formula] Substituting in values, [unparseable or potentially dangerous latex formula] So, [unparseable or potentially dangerous latex formula]
my avatar is pretty awesome
tytia