Elementary Geometry for College Students (7th Edition) Clone

Published by Cengage
ISBN 10: 978-1-337-61408-5
ISBN 13: 978-1-33761-408-5

Chapter 2 - Review Exercises - Page 131: 6

Answer

x = 30 y = 35

Work Step by Step

Because they are alternate angles, we know that BFE equals FBC. Thus: $ 2x + 15 = x + 45 \\ x =30$ Knowing that $3y = 135 -x $, we obtain: $ 3y = 135 - 30 \\ 3y = 105 \\ y = 35$
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