Question

Please help, I need this quickly. It's an easy trigonometric question.

Answer 1

$\bold{ANSWER:}$
OPTION D: None of these

$\bold{EXPLANATIONS:}$

Answer 2

Answer:c x=13

Step-by-step explanation:

straight line =180

180-50=130

7x+3x=10x

130/10=13

So the answer is x=13