# Chapter 4 - Section 4.3 - Right Triangle Trigonometry - Exercise Set - Page 562: 66

See below.

#### Work Step by Step

1) The angle of elevation is defined as the angle above the horizontal at which an observer should look to see an object. 2) The angle of depression is defined as the angle below the horizontal at which an observer should look to see an object.

After you claim an answer you’ll have 24 hours to send in a draft. An editor will review the submission and either publish your submission or provide feedback.