PLEASE HELP DUE IN 5 MINUTES
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<h3>Answer:</h3>
AB║CD . . . and . . . AD║BC
<h3>Step-by-step explanation:</h3>Adjacent vertices have supplementary angles. That means vertices A and B are adjacent, as are A and D. Sides connecting adjacent vertices are parallel to the sides connecting the opposite vertices. So, ...
... AB ║ CD
and
... AD ║ BC