#### Answer

The missing blanks are:
1. ABCD is a trapezoid, and AD is parallel to BC. Also, AB is parallel to DC; given.
2. Congruent
3. Identity property
4. SAS
5. AC and DB are congruent.

Published by
Brooks Cole

ISBN 10:
9781285195698

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

You can help us out by revising, improving and updating this answer.

Update this answerAfter you claim an answer you’ll have **24 hours** to send in a draft. An editor
will review the submission and either publish your submission or provide feedback.