What was a result of the Emancipation Proclamation? Lincoln was assassinated.
Freed slaves in the United States.
Slavery was outlawed in states that seceded.
Slavery was legalized in Western territories.

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.

answer: wait what

explanation:

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!