Elementary Geometry for College Students (7th Edition)

Published by Cengage

Chapter 2 - Section 2.3 - Proving Lines Parallel - Exercises - Page 101: 24

Answer

x=18$^{\circ}$

Work Step by Step

Angles 2 and 7 are alternate exterior angles so they are congruent. m$\angle$2=m$\angle$7 4x+3=5(x-3) 4x+3=5x-15 4x+18=5x x=18

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