find the value of x in the triangle

Question

| x \
| \
| \
| \
| \
|_ 54 \
|_|________________________________\
A 126
B 234
C36
D144

Answer 1

It appears you have a right triangle. Since the angles add to 180, and the right angle is 90, the two acute angles must add to 90.

So, x+54=90 ...

Answer 2

What he meant to say is that the answer is 36