Algebra: A Combined Approach (4th Edition)

Published by Pearson
ISBN 10: 0321726391
ISBN 13: 978-0-32172-639-1

Appendix F - Exercise Set - Page 1013: 29



Work Step by Step

Since the triangles are similar, corresponding sides are in proportion. This means that, $\frac{6}{9}=\frac{3}{x}$ To solve the equation for $x$, we need to cross multiply: $6\times x=3\times9$ $6x=27$ $x=\frac{27}{6}=4.5$ Therefore, the missing length is $4.5$ units.
Update this answer!

You can help us out by revising, improving and updating this answer.

Update this answer

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.