Well, this answer is easy because.... n is an obtuse angle (more than 90 degrees) and there is only 1 answer that is more than 90 degrees.
So, the correct answer is D. 95°
No it is a straight line they are not collinear
Try to use Mathway if your having trouble solving your equations
Answer: A = 38
Steps:
5A = 200 - 10
5A = 190
A = 190/5
A = 38
I hope this helps :)
