I've got a trigonometry question I need help with. Just give me a second to draw a diagram. :)

Question

thesecret20111 · Answer

|dw:1400836471779:dw|

anonymous · Answer

:)
take all the time you need

thesecret20111 · Answer

I've drawn it above. Can you see it or should I redraw it?

anonymous · Answer

its good , whats ur question ?

thesecret20111 · Answer

Oh, I totally forgot! Sorry! :O 
I basically have to find any of the angles in the triangle above.

anonymous · Answer

so wanna find A,B, C
|dw:1400837020184:dw|

anonymous · Answer

do you know the law of cosine ?

thesecret20111 · Answer

I think B should be good. I'm basically asked to find all the angles which I know how to do if I have anyone of them.

anonymous · Answer

its ok , ik what u mean im asking do u know the law of cosine ?

thesecret20111 · Answer

Is that a^2=b^2+c^2-2bc*CosA?

anonymous · Answer

yes :)

anonymous · Answer

but wanna ask is it mintion that BC is parallel to the y axis ?

thesecret20111 · Answer

Yes, the line BC is straight down.

anonymous · Answer

good :)|dw:1400837441495:dw|