first polygon
ext. angle=180°-120°
=60°

n=360°/60°
n=6
second polygon
n=2(6)=12
ext. ang= 360°/n = 360°/12° = 30°
int. ang = 180°-30°= 150°
answer is C
Answer:
102
Step-by-step explanation:
i guess
Answer:
78.45
Step-by-step explanation:
u know 3 as decimal is 0.03 so u multiply 2,615*0.03 which is 78.45
Answer: x = -6 and y = -9
Explanation: