Elementary Geometry for College Students (7th Edition)

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 5 - Section 5.3 - Proving Lines Parallel - Exercises - Page 245: 34


The proof is in the following form: Column 1 of proof; Column 2 of proof. Thus, we have: 1. $RS \bot AB $ and $CB \bot AC$; Given 2. Angle RSB and angle BCA are 90 degrees; perpendicular lines form right angles 3. Angle RSB is congruent to angle BCA; right angles are congruent 4. Angle B is congruent to itself; Identity property 5. Triangle BSR is congruent to triangle BCA; AA
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