Answer
A: Always True
Work Step by Step
Since a square is always a rhombus, and since the diagonals of a rhombus are perpendicular (Theorem 4.3.5), then the diagonals of a square are perpendicular.
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 4 - Review Exercises - Page 217: 6
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