Prealgebra (7th Edition)

Published by Pearson
ISBN 10: 0321955048
ISBN 13: 978-0-32195-504-3

Chapter 6 - Section 6.5 - Congruent and Similar Triangles - Exercise Set: 32

Answer

46 ft

Work Step by Step

Write a proportion. Height is to height as length is to length. $\frac{6}{x}=\frac{9}{69}$ $\longrightarrow$cross multiply to solve for x $9x=6\times69$ $\longrightarrow$multiply $9x=414$ $\longrightarrow$multiplication property of equality $9x\div9=414\div9$ $\longrightarrow$divide $x=46$
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