Elementary Geometry for College Students (6th Edition)

Published by Brooks Cole
ISBN 10: 9781285195698
ISBN 13: 978-1-28519-569-8

Chapter 5 - Review Exercises - Page 262: 19


x=5 $\angle$F=97$^{\circ}$

Work Step by Step

$\angle$D=$\angle$A 2x+40=50 2x=10 x=5 $\angle$A+$\angle$E+$\angle$F=180 50+33+$\angle$F=180 $\angle$F=97
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