Which of the allied powers left the alliance and signed a separate peace with the central powers in 1917?

Congress did not allow the United States to join the League of Nations or sign the Treaty of Versailles, so the United States had to sign separate peace treaties.

Remember soh-cah-toasoh: cah: toa: now, looking at the picture we can see that we have an angle, the hypotenuse and want to find the value of the adjacent side to the angle. so we use cah to find the adjacent angle. plug in what we have: we need to solve for x now so we get it by itself on one side: plug this into your calculator and you'll find that: