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1) Examining that Parallelogram ABCD let's sketch it out to better grasp it:
2) We need to find x, since x and 70 are supplementary angles we can write out:
[tex]\begin{gathered} x+70=180 \\ x=180-70 \\ x=110 \end{gathered}[/tex]Note that parallelograms have 2 sets of opposite congruent angles, so we can tell that
[tex]z=110[/tex]