Answer
m$\angle$4=70$^{\circ}$
Work Step by Step
m$\angle$4=.5(CD+AB)
m$\angle$4=.5(30+110)
m$\angle$4=70$^{\circ}$
Elementary Geometry for College Students (7th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Cengage
ISBN 10:
978-1-337-61408-5
ISBN 13:
978-1-33761-408-5
Chapter 6 - Section 6.2 - More Angle Measures in the Circle - Exercises - Page 294: 2d
Update this answer!
You can help us out by revising, improving and updating this answer.
Update this answerAfter 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.
