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9 votes
9 votes
Can someone help me?

Can someone help me?-example-1
User Elmar Weber
by
2.7k points

1 Answer

13 votes
13 votes

Answer:

30x-43+12x+13=180°(Linear pair)

42x-30=180°

42x=210

x=5°

User Griwes
by
2.7k points