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Geometry : Solve for the angles of a parallelogram.

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Solve for the angles of a parallelogram.

Please see the attached file for the fully formatted problems.

PLEASE VIEW AT 150% it is easier to see.

The 7y-2 should be in parenthesis (7y-2) and the same thing for 4x+1, i.e. (4x+1).
I have tried solving this problem several times I need values for x and y. can you please explain. It is a parallelogram. Thank you soo much.

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Solution Preview

We know that,
If two parallel lines are intersected by a transversal, then the alternate interior angles are congruent. That is they are equal. Opposites sides of a parallelogram are ...

Solution Summary

The angles of a parallelogram are solved. The solution is detailed and well presented.