Precalculus (6th Edition)

Published by Pearson
ISBN 10: 013421742X
ISBN 13: 978-0-13421-742-0

Chapter 2 - Graphs and Functions - 2.1 Rectangular Coordinates and Graphs - 2.1 Exercises - Page 194: 63

Answer

Yes, no.

Work Step by Step

Check the length of each side: Step 1. Length of the first side: $AB=\sqrt {(1-5)^2+(1-2)^2}=\sqrt {17}$ Step 2. Length of the 2nd side: $BC=\sqrt {(3-5)^2+(4-2)^2}=2\sqrt {2}$ Step 3. Length of the 3rd side: $CD=\sqrt {(3-(-1))^2+(4-3)^2}=\sqrt {17}$ Step 4. Length of the 4th side: $DA=\sqrt {(1-(-1))^2+(1-3)^2}=2\sqrt {2}$ Thus, it is a parallelogram. not a rhombus.
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