Trig.
Solve for x to the nearest degree
X degrees inside, near top.
16 on the top
9 on the side

^ I forgot the names for them in SOHCATOA or whatever.
Can someone help me? Im stuck on how exactly I find the degrees! I need urgent help on this, i get how to do it so far but the degrees is what gets me. I've looked on a lot of sites and i still dont know how to solve it...