I gotta share this. I know it's probably a little cruel, but to get back to my students for a year's worth of headaches I gave them the following challenge.
Anyone who can find me the formula for an Isosceles Left Triangle will get an A for the Final.
God I wish I had them on computers to see how long it will take b4 they figure it out. so far it's been 30 mins and they are getting frustrated. Ahhhh the little things make my day!