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What is the value of x below? * A diagram with line m parallel to line n is shown.
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What is the value of x below? *
A diagram with line m parallel to line n is shown.

What is the value of x below? * A diagram with line m parallel to line n is shown-example-1
User RoToRa
by
9.2k points

1 Answer

4 votes

Answer:

Explanation:

The sum of those two angles must be 180 degrees.

3x+10+80=180

3x+90=180

3x=90

x=30

User Gammachill
by
7.6k points
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