Answer:
[tex]125 \degree[/tex]
Step-by-step explanation:
Let the unknown angle be x
As the interior angles in a triangle are added up to 180°
[tex]x + 25 + 30 = 180 \\ x + 55 = 180 \\ x = 180 - 55 \\ x = 125 \degree[/tex]
Hope this helps you.
Let me know if you have any other questions :-)
