U. S. leaders withdrew troops from Vietnam because

A. they believed the South Vietnamese could win it on their own.

B. the Viet Cong built supply trails in Cambodia.

C. the Soviet Union began bombing the south.

D. they realized that they could not win the war.

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: