Answer
$x=81°$
Work Step by Step
The sum of the internal angles in any triangle must be equal to 180°.
Thus, we can write:
$58°+41°+x=180°$
Solving for $x$ gives:
$x=180°-58°-41°=81°$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 12 - Section 12.3 - Triangles - Exercise - Page 401: 45
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