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. Parallel lines A and B are cut by transversal, t, as shown below. Use the relationship of the marked angles above to find the correct value of x.

. Parallel lines A and B are cut by transversal, t, as shown below. Use the relationship-example-1
User Millicent
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1 Answer

4 votes

Answer:

x = 30

Explanation:

These angles form supplementary angles meaning they add up to 180°.


5x-40+2x+10=180\\7x-30=180\\7x=210\\x=30

User Jjames
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