Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 1 - Test - Page 69: 22

Answer

1. $\angle ABC$ is a right angle 2. $m\angle ABC=90^{\circ}$ 3. $m\angle 1 + m\angle 2=m\angle ABC$ 4. $m\angle 1 + m\angle 2=90^{\circ}$ 5. Ray BD bisects $\angle ABC$ 6. $m\angle 1 = m\angle 2$ 7. $m\angle 1+m\angle 1=90^{\circ}$ 8. $m\angle 1=45^{\circ}$

Work Step by Step

1. Given 2. Definition of a right angle 3. Angle addition postulate 4. Substitution property of equality 5. Given 6. Definition of Angle Bisector 7. Substitution property of equality 8. Division property of equality
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.