Elementary Geometry for College Students (5th Edition)

Published by Brooks Cole
ISBN 10: 1439047901
ISBN 13: 978-1-43904-790-3

Chapter 2 - Test - Page 125: 7b

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$^{\circ}$
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