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Roman55 [17]
3 years ago
10

I need help with this can some one help me

Mathematics
1 answer:
Ymorist [56]3 years ago
3 0

Answer:

216

Step-by-step explanation:

We know that the two angles must add up to 180

so

108+x/3=180

solve for x

72=x/3

x=216

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<h2>Hello!</h2>

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