#### Answer

Lines p and q must be parallel.

#### Work Step by Step

Congruent angles 1 and 20 are alternate exterior angles so lines p and q must be parallel.

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Published by
Brooks Cole

ISBN 10:
9781285195698

ISBN 13:
978-1-28519-569-8

Lines p and q must be parallel.

Congruent angles 1 and 20 are alternate exterior angles so lines p and q must be parallel.

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