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02-03-2021
Mathematics

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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 class=

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02-03-2021

Answer:

Step-by-step explanation:

The sum of those two angles must be 180 degrees.

3x+10+80=180

3x+90=180

3x=90

x=30

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