The measure of angle 1 is (10x+8) and the measure of angle 3 is (12x-10) What is the measure of angle 2 in degrees

Question

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Answer 1

Angles 1 and 3 are vertical angles. Their measures are equal

10x + 8 = 12x - 10

Solve for x. Substitute into either expression for angle measure.

1 and 2 are supplementary

 

From here you should be able to complete