Answer: x=48
Step-by-step explanation:
(x-6)+(3x-12)+2x+90=360
x+3x+2x-6-12+90=360
6x+72=360
6x+72-72=360-72
6x=288
x=48
To find the other angles, you replace the x by 48
Answer:
[tex]{ \tt{(3x - 12) + (x - 6) + 2x + 90 \degree = 360 \degree}} \\ \\ { \tt{6x + 72 = 360 }} \\ { \tt{6x = 288}} \\ \\ { \boxed{ \tt{x = 48}}}[/tex]
