Geometry: Common Core (15th Edition)

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

Chapter 8 - Right Triangles and Trigonometry - 8-1 The Pythagorean Theorem and It's Converse - Practice and Problem-Solving Exercises - Page 498: 56



Work Step by Step

Complementary angles add up to $90^{\circ}$. To find the measure of the complement of an angle that measures $67^{\circ}$, we subtract $67^{\circ}$ from $90^{\circ}$: measure of the complementary angle = $90^{\circ} - 67^{\circ}$ Subtract to solve: measure of the complementary angle = $23^{\circ}$
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