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Use your knowledge to set up equations and solve for the variables.

Use your knowledge to set up equations and solve for the variables.-example-1
User Ivansaul
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1 Answer

10 votes
10 votes

Answer:

x = 45 degrees

Explanation:

Using the alternate exterior angle theorem, the angles are equal. You can set the expressions equal to each other:

3x = x + 90
2x = 90
x = 45

User Grizzley
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