In the figure shown, line ab is parallel to line cd.
part a: what is the measure of angle x? show your work.
part b: explain how you found the measure of angle x by identifying the angle relationships that you used along the transversal.

This is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 4 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 3 terms. this is a rational expression because the denominator contains a variable. this is a polynomial with 5 terms.