Angle of Depression
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Solved Example on Angle of Depression
An airplane is flying at an altitude of 1000 m. From the plane the angle of depression of a tree on the ground is measured as 15°. What is the distance from the plane to the tree?
A. 3,864 m
B. 3,732 m
C. 1,035 m
D. 1,000 m
Correct Answer: A
Step 1: Let x be the distance from the plane to the tree.
Step 2: Since the horizontal lines are parallel, the angles of elevation and depression are equal in measure.
Step 5: x = 3,864 m
Step 6: So, the distance from the airplane to the tree is 3,864 m.
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