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22 votes
22 votes
Unknown Angle Problems (with algebra)

Unknown Angle Problems (with algebra)-example-1
User Annath
by
2.6k points

1 Answer

18 votes
18 votes

Answer:


x = 45

Explanation:

You'll solve it like this:


2x+45+x=180

Grap it on desmos to check the x value


x=45

Check your answer by substituting:


2(45)+45+45

Which is then equal to
180

User Dmitriy Zhuk
by
2.6k points