Trigonometry (10th Edition)

by Lial, Margaret L.; Hornsby, John; Schneider, David I.; Daniels, Callie

Published by Pearson

ISBN 10: 0321671775

ISBN 13: 978-0-32167-177-6

Chapter 2 - Acute Angles and Right Triangles - Section 2.4 Solving Right Triangles - 2.4 Exercises - Page 72: 7

Answer

Actual value of building is $58.1 ft\leq x\leq 59.1ft$

Work Step by Step

Given that height is measured as 58.6 ft, uncertainty inequality will be $|x-58.6| \leq 0.05$. Therefore, actual height x is given in interval $[58.1-59.1]ft$.

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