X+5+2x-2+90=180. combine like terms and solve like a normal algebra problem to find x. if you need to find the answer for a certain angle, plug in the value you got for x into one of the angle equations
Answer:
-8
Step-by-step explanation:
15x.25=3.75
15-3.75=11.25.
The answer is $11.25
False, it may change the side length (not 100% sure) but I know for sure dilating doesn't change the angle