Geometry: Common Core (15th Edition)

by Charles, Randall I.

Published by Prentice Hall

ISBN 10: 0133281159

ISBN 13: 978-0-13328-115-6

Chapter 6 - Polygons and Quadrilaterals - 6-3 Proving That a Quadrilateral Is a Parallelogram - Practice and Problem-Solving Exercises - Page 373: 25

Answer

*answers in proof form*

Work Step by Step

Use CPCTC (corresponding parts of congruent triangles are congruent) and theorem 6-8 (if both pairs of opposite sides of a quadrilateral are congruent, then the quadrilateral is a parallelogram).

Update this answer!

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

Update this answer

After 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.