Answer:
30°
Step-by-step explanation:
4x-12 = 108
4x = 120
x=30
4(30)-12 = 108 (Just to check)
120-12 =108
108=108
Scales-No equal sides
Isosceles- 2 Equal
Equilateral-
Right-90 degree
Obtuse- Obtuse Angle
Step-by-step explanation