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: 30



Work Step by Step

Since the triangles are similar, corresponding sides are in proportion. This means that, $\frac{2}{24}=\frac{4}{x}$ To solve the equation for $x$, we need to cross multiply: $2\times x=24\times4$ $2x=96$ $x=\frac{96}{2}=48$ Therefore, the missing length is $48$ units.
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