Which of the following civilizations had their beginning in the area known as the "cradle of civilization," or mesopotamia?

The Sumerians, Babylonians, and Assyrians all had their beginnings in the area now known as Mesopotamia.

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: