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Andrei [34K]
3 years ago
15

Really confused with this problem. It would be great if someone could help

Mathematics
1 answer:
Vitek1552 [10]3 years ago
6 0
(2n+12) + (3n+18) = 180
⇒5n+30=180
⇒5n=150
⇒n=30


x=2n+12
  =2(30)+12
  =72°
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