Respuesta :

Answer: 25

Step-by-step explanation:

njhannans15
The answer to your problem is 25.

If you add up all of the given angles (70 + 55 + 30), it’ll equal 155.
Because a straight line equals 180 degrees, you would subtract 155 from 180. 180 - 155 = 25.

Hope this helps! :)))