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Ainat [17]
4 years ago
12

Geometry angle help! will mark brainliest!

Mathematics
1 answer:
storchak [24]4 years ago
7 0
A+b=180° because they are a linear pair

(2x+10)+(3x+20)=180
5x+30=180
5x=150
x=30

a=c because they are vertical angles

2(30)+10= C
60+10=C
70=C
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