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How do you solve the problem

How do you solve the problem-example-1
User VSe
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1 Answer

7 votes
Since the two labelled angles are corresponding angles, they are equal.
10x = 9x + 10
Subtract both sides by 9x
x = 10
Also, if you need to know, the angle length is 100 degrees.

Have an awesome day! :)
User Nikhil Swami
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7.2k points