Answer:

Step-by-step explanation:
We know that tan(x) is defined as sin(x)/cos(x):


1/0 is undefined as 0 is in the denominator
I know its one of the congruent ones, as one is for sure a 90 degree angle, on top of an 180 degree angle, which by law of supplementary angles makes the other one 90 degrees. Not sure on the postulate, maybe someone else can help with that.
Answer:
there is no way to answer this question. please provide more information.
He doesn't know where x is