## Elementary Geometry for College Students (7th Edition)

Published by Cengage

# Chapter 2 - Test - Page 133: 14

#### Answer

m$\angle$4=50$^{\circ}$

#### Work Step by Step

m$\angle$1+m$\angle$2+m$\angle$3=180 70+30+m$\angle$3=180 m$\angle$3=80$^{\circ}$ m$\angle$ACE=180-m$\angle$3 m$\angle$ACE=100$^{\circ}$ 2m$\angle$4=m$\angle$ACE 2m$\angle$4=100 m$\angle$4=50$^{\circ}$

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.