Answer:
1. 60
2. 120
3.30
Step-by-step explanation:
(Yes I know they aren't labeled one and two but I'll go in order from the questions)
1. It is 60, because it is an equilateral triangle so all angles are equal. 180/3=60.
2. There are two ways you can solve this problem. The first is using the vertical angle theorem. That makes it 120. Or, you can add all the angles you have already and remove it from 360.
360-120-60-60=120.
(you can tell it is not 60 because it is larger than a right angle in the picture)
3.x=30.The right angle is 90, and there is a 60 degree angle, so 90-60=30
