Which of the following describes an effect of the spanish-american war?
cuba became a us territory.
puerto rico became a us territory.
the philippines was returned to spanish control.
the united states traded the philippines for the island of guam.

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.