Constructing roads is a power that

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.

1.a)britain

2.b)spain

3.c)french

4.d)portugal

explanation:

"they had a large area of land that they owned."