Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 2 - Solving Equations - 2-8 Proportions and Similar Figures - Practice and Problem-Solving Exercises - Page 134: 9



Work Step by Step

Because the figures are similar, we can create the following proportion: $\frac{32}{y}=\frac{36}{45}$ cross multiply $36y=32\times45$ multiply $36y=1440$ divide both sides by 36 $36y\div36=1440\div36$ divide $y=40$
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