Answer:
[tex]x^{\circ}=137^{\circ}[/tex]
Step-by-step explanation:
- Angle 43 and x are called same-side exterior angles
- That means they sum up to 180 degrees, so
- [tex]43^{\circ}+x^{\circ}=180^{\circ}\\43^{\circ}-(43^{\circ})+x^{\circ}=180^{\circ}-(43^{\circ})\\x^{\circ}=137^{\circ}[/tex]
