Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 7 - Similarity - Chapter Review - Page 480: 4

Answer

extremes, means

Work Step by Step

The first step in solving for an unknown in a proportion is to cross-multiply the ratios. We multiply the extremes together and then the means together. This is called the Cross Products Property.
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