Elementary Geometry for College Students (7th Edition) Clone

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

Chapter 3 - Review Exercises - Page 178: 22



Work Step by Step

m$\angle$BCD=m$\angle$DAC m$\angle$A=m$\angle$C m$\angle$B+m$\angle$A+m$\angle$C=180 50+2m$\angle$C=180 2m$\angle$C=130 m$\angle$C=65 m$\angle$BCD+m$\angle$DCA=m$\angle$C m$\angle$BCD+m$\angle$DCA=65 m$\angle$DAC+m$\angle$DCA=65 m$\angle$DAC+m$\angle$DCA+m$\angle$ADC=180 65+m$\angle$ADC=180 m$\angle$DAC=115
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.