Answer
66.0
Work Step by Step
Use the Cosine rule for the right triangle: $\frac{adjacent}{hypotenuse}$
cos(32) = $\frac{56}{x}$
Solve for x by multiplying both sides by x and dividing by cos(32):
x = $\frac{56}{cos(32)}$
Use a calculator:
= 66.0
Algebra 1
by Hall, Prentice
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 - Page 637: 29
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