The correct answer is D because you already have one side and one angle that are equal so you need one more side
Answer:
it is number 3 (-1/5)
Step-by-step explanation:
I am unsure but i think the answer is c or a but let me know if i'm right or wrong
I think it might be r= -3
Answer:
55 degrees
I answered the question on AoPS and it said it was correct.
