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 - Page 452: 15

Answer

6

Work Step by Step

$\frac{12}{4}$=$\frac{18}{x}$ set cross products equal 12x=4$\times$18 12x =72 divide by 12 both sides $\frac{12x}{12}$=$\frac{72}{12}$ x=6 The missing length is 6 units
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