Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 4 - Section 4.3 - The Rectangle, Square, and Rhombus - Exercises - Page 193: 5


This parallelogram is a square.

Work Step by Step

If the diagonals are congruent, then the four angles must be $90^{\circ}$. Then the parallelogram must be a rectangle. The diagonals of a rectangle are perpendicular only if it is a square. Therefore, this parallelogram is a square.
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.