Answer:
a) 50 degrees
b) 130 degrees
c) 50 degrees
d) 130 degrees
e) 50 degrees
f) 130 degrees
Step-by-step explanation:
Tell me if you need explanation
<1=180-130=50
<5=130
<6=180-130=50
<7=130
<4=<1=50
<3=130
