Answer:
the number that goes in the blank is 8
Step-by-step explanation:
Answer:
∠A is 30°
Step-by-step explanation:
Answer:
1: 152
2: 152
3: 152
4: 28
Step-by-step explanation:
1-3: They are all congruent. So if you look at the given angle, it is the same as 1-3.
4: This one is tricky. Since a straight line is 180, you have to subtract 180-152.
Hope this helps!