Answer:
Supplementary
x = 34
Step-by-step explanation:
- Supplementary angles: Angles that measure up to 180°
- Write an equation to find x
4x + 10 + x = 180
4x + x + 10 = 180
5x + 10 = 180
- Subtract 10 from both sides
5x + 10 - 10 = 180 - 10
5x = 170
5x / 5 = 170 / 5
x = 34