(310+150)^2 = y^2 + x^2 - 2*(x*y) * cos(180-63.3) , (310+0)^2 = y^2 + x^2 - 2*(x*y) * cos(180-118.2)

Uh oh! Wolfram|Alpha doesn't run without JavaScript.

Please enable JavaScript. If you don't know how, you can find instructionshere.Once you've done that, refresh this page to start using Wolfram|Alpha.