Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 1 - Section 1.5 - Introduction to Geometric Proof - Exercises - Page 43: 30


1. Given 2. Angle addition Postulate 3. Subtraction property of equality

Work Step by Step

1. Given 2. The sum of the two angles within $\angle$ABC is equal to m$\angle$ABC. 3. Subtract m$\angle$DBC from both sides.
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.