Respuesta :

losesight57

Answer:

the missing angle or the exterior angle is 120

Step-by-step explanation:

180-60=120

xxxAceOfSpadesxxx

Answer:

90 degrees.

Step-by-step explanation:

The square symbol at the unlabeled angle means 90 degrees. Also, a triangle's interior angles equal 180. We already have 30 and 60, so 30+60=90. Now, subtract this from 180. 180-90=90. The answer is 90 degrees.

Hope this helps!