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4 years ago

15

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

1 answer:

Vitek1552 [10]4 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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