Answer
m$\angle$B=33$^{\circ}$
Work Step by Step
m$\angle$A+m$\angle$B+m$\angle$C=180$^{\circ}$
2x+x+2x+15=180
5x=165
x=33
m$\angle$B=x=33$^{\circ}$
Elementary Geometry for College Students (5th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
1439047901
ISBN 13:
978-1-43904-790-3
Chapter 2 - Test - Page 125: 7b
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.
