Algebra 1: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281140
ISBN 13: 978-0-13328-114-9

Chapter 2 - Solving Equations - Chapter Test - Page 157: 8

Answer

y=3.125

Work Step by Step

The problem states that the two triangles are similar triangles. This means that all of the sides are proportional. We will call y the side that we want to find. Thus, we set up the equation: y/5=5/8. We multiply both sides of the equation by 5 to cancel out division and obtain that y=3.125.
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