Answer: 9
is the value of "x".
135° I think 1080( what the angles add up to) 1080÷8=135°
Yes. When simplifying 15:60 by dividing each side by 3, you get 5:20, which is the same as 5:20.
Negative is the opposite of positive, so the only true opposites are. -2,2 8,-8