Question

What is the angle measure of x?
30°
45°
60°
90°

Answer 1

I'd go with the law of cosines.

Answer 2

Using that you can find out the cosine of an angle, therefore the angle. Then you find out through known formulas the other two.

Answer 3

well im not that smart, so whats the answer (: haha

Answer 4

You'll never get math if you don't even try understanding :)