Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10:
ISBN 13:

Chapter 1 - Section 1.7 - The Formal Proof of a Theorem - Exercises - Page 56: 30

Answer

1. Given 2. Definition 3. Substitution 4. Definition
1503652143

Work Step by Step

1. Both $\angle 1$ and $\angle 2$ are right angles. 2. By definition $m\angle 1 = 90^{\circ}$, $m\angle 2 =90^{\circ}$ 3. $m\angle1=m\angle2$ 4. If two angles have the same angle measure, they are congruent. Therefore, $\angle1\cong\angle2$.
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.