1. The problem statement, all variables and given/known data How would I find the X coordinate of point A. So far I have: A: ( X=??? Y=-231.125" Z=175") B: (X=0" Y=0" Z=144") https://physicsforums-bernhardtmediall.netdna-ssl.com/data/attachments/90/90134-44f7db5f8e2c5989352d374160952d17.jpg [Broken] 2. Relevant equations A^2+B^2=C^2 3. The attempt at a solution https://physicsforums-bernhardtmediall.netdna-ssl.com/data/attachments/90/90135-0e378a7885d41efadbb78730140f9a77.jpg [Broken] Im thinking of 31^2+(-231.125^2)= hypotenuse= diagonal from B to A. Then I could solve for x since I have 2 sides of the triangle. But I'm not sure if it correct.