How do you think the invention of barbed wire changed cattle ranching for cowboys used to running cattle on the open range?

Without fencing to keep cattle in, the bovines grazed freely competing for grass and water and destroying crops like wheat. Every year, cattle owners led their herds to slaughter houses unhindered by wire fencing. Barbed wire limited the open range and in turn limited the freedom of ranchers and cowboys.

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.

assuming that you are talking about the one in egypt: hecka oil

explanation: