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
Find the slope of the line.
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Answer:
Step-by-step explanation:
We want to find
This can be rewritten as;
Recall that;
We evaluate now to obtain;