+2448 
I got 2 side lengths: 4 and 3 and just need the 3rd which im not sure if im doing right. Would it be 5-1^2+1-4^2=sqrt(16+-9)=sqrt(7)
Is that right then I do 4+3+sqrt(7)
+37146 You are getting there....but what happens when you square a NEGATIVE number (1-4)^2 = (-3)^2 Hmmmmm....did you forget?
