Quote Originally Posted by Chop Suey View Post
Yes, I got the same answers as yours ticbol. The sum of the answers returns pi.

Are you sure you're using Law of Cosines correctly, Enigma?

Label the vertices of one triangle A, B, C. The side opposite the vertex will be labeled as the lowercase letter of the vertex. For instance, if you're to find angle A, use the following:

a^2 = b^2 + c^2 - 2bc cos(A)

Image:Triangle with notations.svg - Wikimedia Commons
I wrote it on my last post ^^
Anyway i did it and i put it here, Maybe there is something to fix but it's not math anymore :P
Thank you all