how do i find CD (picture in comments) this is a trig question

Question

anonymous · Answer

attachment

anonymous · Answer

please explain i am extremely lost the teacher gave us this problem and didnt explain how to do it at all

mertsj · Answer

What is the name of the chapter or section of the book this problem comes from?

anonymous · Answer

my teacher made it up as far as i am informed because me do not use textbooks in class

mertsj · Answer

What have you been studying...the Law of Sines or something similar?

anonymous · Answer

yes regular sine cosine tangent along with inverse and law of sines law of cosines and herons formula

mertsj · Answer

It just seems you need one more given part.  I wonder if she forgot something.

anonymous · Answer

its a he i noticed too and my dad loved trig and cant give me an answer

mertsj · Answer

I'm going to sleep on it.  Maybe my sub-conscious mind will solve it while I'm asleep.

anonymous · Answer

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