A plane flying at an altitude of 10,000 feet finds the angle of depression for a building ahead of the plane to be 10.9°. With the building still straight ahead, two minutes later the angle of depression is 25.3°. Find the speed of the plane relative to the d O; = 10.9° 10,000 ft ground (in feet per minute).
A plane flying at an altitude of 10,000 feet finds the angle of depression for a building ahead of the plane to be 10.9°. With the building still straight ahead, two minutes later the angle of depression is 25.3°. Find the speed of the plane relative to the d O; = 10.9° 10,000 ft ground (in feet per minute).
Trigonometry (11th Edition)
11th Edition
ISBN:9780134217437
Author:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Publisher:Margaret L. Lial, John Hornsby, David I. Schneider, Callie Daniels
Chapter1: Trigonometric Functions
Section: Chapter Questions
Problem 1RE:
1. Give the measures of the complement and the supplement of an angle measuring 35°.
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Question

Transcribed Image Text:A plane flying at an altitude of 10,000 feet finds the
angle of depression for a building ahead of the
plane to be 10.9°. With the building still straight
ahead, two minutes later the angle of depression is
25.3°. Find the speed of the plane relative to the
ground (in feet per minute).
d
O; = 10.9°
10,000 ft
B
The speed of the plane is approximately
feet per minute.
(Simplify your answer. Do not round until the final answer. Then round to the nearest whole number as needed.)
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