Geometry: Common Core (15th Edition)

Published by Prentice Hall
ISBN 10: 0133281159
ISBN 13: 978-0-13328-115-6

Chapter 8 - Right Triangles and Trigonometry - 8-4 Angles of Elevation and Depression - Got It? - Page 517: 1

Answer

angle 2 is the angle of elevation from the person in the hot air balloon to bird

Work Step by Step

Angle 2 is the angle of elevation from the person in the hot air balloon to bird because recall an angle of elevation is an angle between the horizontal and the line of sight.
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