Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 1 - Tools of Geometry - Chapter Review: 2

Answer

Perpendicular Lines

Work Step by Step

In mathematics, we use the word "perpendicular" to denote anything that has to do with right angles. Since we are talking about two lines that form a right angle, it is appropriate to call the lines perpendicular.
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