Answer
150$^{\circ}$
Work Step by Step
$\frac{180-x}{90-x}$=$\frac{5}{2}$
360-2x=450-5x
3x=90
x=30
supplement=180-30
supplement=150
Elementary Geometry for College Students (6th Edition)
by Alexander, Daniel C.; Koeberlein, Geralyn M.
Published by
Brooks Cole
ISBN 10:
9781285195698
ISBN 13:
978-1-28519-569-8
Chapter 5 - Review Exercises - Page 262: 15
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.
