Answer
$a = 6$ cm
$b = 15$ cm
Work Step by Step
1. Solve for $a$
$\frac{a}{12} = \frac{6}{12}$
$a = \frac{6 \times 12}{12}$
$a = 6$ cm
2. Solve for $b$
$\frac{b}{7.5} = \frac{12}{6}$
$b = \frac{12 \times 7.5}{6}$
$b = \frac{90}{6}$
$b = 15$ cm
Basic College Mathematics (10th Edition)
by Lial, Margaret L.; Salzman, Stanley A.; Hestwood, Diana L.
Published by
Pearson
ISBN 10:
0134467795
ISBN 13:
978-0-13446-779-5
Chapter 8 - Geometry - 8.9 Similar Triangles - 8.9 Exercises - Page 600: 13
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