Answer
$24.9\ m$
Work Step by Step
Using the Pythagorean Theorem, we have:
$${a}^2+{b}^2 = {c}^2.$$
Then
$$
a = \sqrt{c^2-b^2}= \sqrt{35.3^2-25^2}=24.92\ m \approx 24.9\ m
.$$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 13 - Section 13.1 - Trigonometric Ratios - Exercise - Page 454: 18
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