Geometry: Common Core (15th Edition)

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

Chapter 7 - Similarity - 7-1 Ratios and Proportions - Practice and Problem-Solving Exercises: 22

Answer

16.5

Work Step by Step

Given $\frac{11}{14}$=$\frac{b}{21}$ Cross multiply. 14b=11(21) 14b=231 b=16.5
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