Answer:
[tex]25 \degree[/tex]
Step-by-step explanation:
Sum of the interior angles in a triangle is added up to 180°
From using the above theorem you can find the unknown angle
Let the unknown angle be x
[tex]53 + 102 + x = 180 \\ 155 + x = 180 \\ x = 180 - 155 \\ x = 25 \degree[/tex]
Hope this helps you.
Let me know if you have any other questions:-)
