Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 8 - Right Triangles and Trigonometry - 8-2 Special Right Triangles - Practice and Problem-Solving Exercises - Page 505: 42

Answer

$x = 7.5$

Work Step by Step

We solve a proportion by first eliminating fractions. We use the cross products property where we multiply the numerator of one fraction with the denominator of the other, and vice versa: $8x = 60$ Divide each side by $8$ to solve for x: $x = 7.5$
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