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1. Given a || b , c || d, and . Find the measure of angles 1 through 12 in the complex figure.

1. Given a || b , c || d, and . Find the measure of angles 1 through 12 in the complex-example-1
User Jenish
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Answer: Some equations to solve

To solve all of the angles that are listed you are going to have to set up and solve several equation involving supplementary angles and angles around traversals around parallel lines.

For example, you could set up the equation:
3 + 4 + 69 = 180

Also, angle 9 is 116 because they are alternate interior angles.

Also, angle 11 is 116 because the are corresponding angles.

Also, angle k can be solved with the equation: k + 12 + 90 = 180.

Good luck
User Adrian Zanescu
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