Help!

[civic gale]

What step are you on?
1. I don't know where to begin.
2. I have begun but got stuck midway.
3. I got an answer but I was told that it's wrong.
4. I got an answer and would like my work checked.
5. I have a question about someone else's work/solution.
6. I have completed the problem and don't need help anymore. Thank you.
7. None of the above

[cunning juniper]

for questioin a, youe given an angle and a side so u could use sin(50) = 12/x

where you solve for x

nvm dont use sine ur not solving for hypotenuse

so use tan