Answer:
75
Step-by-step explanation:
the angles inside of a triangle all add up to 180°, so just had the angles given to you and subtract it from 180° and what you get should be your answers.
The answer is 1092
A
11.2
tan( <em>angle </em>) = <em>opposite / adjacent</em>
x = -3
The graph is symmetrical about the vertical line through its vertex: