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
Write the equation of a line that is perpendicular to 2x + y - 1 = 0 and passes
1 answer:
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Answer:
b.
a.
Step-by-step explanation:
b.
a.
The two expressions are identical on each side of the equivalence symbol, therefore they are an identity.
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