Answer
complementary,
supplementary,
Work Step by Step
For any two angles x and y:
x+y = 90, x and y are complementary angles
x+y = 180, x and y are supplementary angles
Thinking Mathematically (6th Edition)
by Blitzer, Robert F.
Published by
Pearson
ISBN 10:
0321867327
ISBN 13:
978-0-32186-732-2
Chapter 10 - Geometry - 10.1 Points, Lines, Planes, and Angles - Concept and Vocabulary Check - Page 615: 3
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