When Alora measured the angle below with her protractor, she read that it was 113 degrees. Her brother measured it to be 67 degrees. Who is correct? Explain the error that was likely made in reading a protractor and how can it be avoided

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
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When Alora measured the angle below with her protractor, she read that it was 113 degrees. Her brother measured it to be 67 degrees. Who is correct? Explain the error that was likely made in reading a protractor and how can it be avoided

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