Which two geographical features protect egypt from invaders?

desert and a seacoast with no harbor

desert and mountains

mountains and a seacoast with no harbor

wide rivers and desert

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: