Answer
4.5
Work Step by Step
$\frac{3}{x}$=$\frac{6}{9}$ set cross products equal
6x=3$\times$9
6x =27 divide by 6 both sides
$\frac{6x}{6}$=$\frac{27}{6}$
x=$\frac{27}{6}$
x=$\frac{3\times9}{3\times2}$
x=$\frac{9}{2}$
x=4.5
Prealgebra (7th Edition)
by Martin-Gay, Elayn
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: 13
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