How did the alliance system in Europe contribute to the start of World War I?

The alliance system caused the World War I to escalate from a regional conflict into a global war. Two major alliances existed in Europe prior to World War I. The Triple Alliance included Germany, Austria-Hungary, and Italy, while the Triple Entente included the Soviet Union, Britain, and France.

answer: this problem has only trivial solutions, with all points on the same line. x=5 or x=7/5.

step-by-step explanation:

there are three triangles, and three unknowns: x, y=length of middle segment, and z=cos(angles marked with red arc).

we need

and law of cosines,

the three equations are

see attached image for solution.

i honesty don't know, good luck tho dawg