Algebra 1

Published by Prentice Hall
ISBN 10: 0133500403
ISBN 13: 978-0-13350-040-0

Chapter 10 - Radical Expressions and Equations - 10-6 Trigonometric Ratios - Practice and Problem-Solving Exercises: 35

Answer

x = 23.8

Work Step by Step

Use the Tangent rule for the right triangle: $\frac{opposite}{adjacent}$ tan(50) = $\frac{x}{20}$ Solve for x by multiplying 20 on both sides: 20*tan(50) =x Use a calculator: x = 23.8
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