geometry

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Suppose line AB is parallel to line MN.Name all angles congruent to angle 8.
In the figure at the right, x is parallel to y.List all angles that are congruent to angle 1.
If the measure of angle 5 is 45 degrees, what are the measures of the other angles.
This is on page 472 in the Prentice Hall Mathematics pre-algebra 7th grade book. Please answer ASAP!!!! thanks!

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