Which supreme court decision in the 1850s supported slavery?

The United States Supreme Court issues a decision in the Dred Scott case, affirming the right of slave owners to take their slaves into the Western territories, thereby negating the doctrine of popular sovereignty and severely undermining the platform of the newly created Republican Party.

Hope I helped. :)

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.