Elementary Technical Mathematics

Published by Brooks Cole
ISBN 10: 1285199197
ISBN 13: 978-1-28519-919-1

Chapter 12 - Section 12.1 - Angles and Polygons - Exercise: 9

Answer

right perpendicular

Work Step by Step

When a line intersects another line forming a right angle, the lines are perpendicular. All 4 angles that are formed are right angles.
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