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10) A lifeguard is watching a beach from a line of sight 6 feet above the water. She sees a swimmer at an angle of depression of 8°. How far away from the lifeguard is the swimmer?

10) A lifeguard is watching a beach from a line of sight 6 feet above the water. She sees a swimmer at an angle of depression of 8°. How far away from the lifeguard is the swimmer?

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter9: Real Numbers And Right Triangles
Section9.7: The Tangent Ration
Problem 23E
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Solve right triangles won’t angles of depression
of and water, m the 11) A passenger in a hot-air balloon spots a small fire on the ground. The angle of depression to the fire is 30°, and the height of the hot-air balloon is 150 feet. What is the horizontal distance from the hot-air balloon to the fire? 10) A lifeguard is watching a beach from a line of sight 6 feet above the water. She sees a swimmer at an angle of depression of 8°. How far away from the lifeguard is the swimmer? 12) The angle of depression from the top of a skyscraper to a fountain on the ground is 81°. The skyscraper is 421 meters tall. What is the distance from the base of the skyscraper to the fountain? ricar cmension of
Transcribed Image Text:of and water, m the 11) A passenger in a hot-air balloon spots a small fire on the ground. The angle of depression to the fire is 30°, and the height of the hot-air balloon is 150 feet. What is the horizontal distance from the hot-air balloon to the fire? 10) A lifeguard is watching a beach from a line of sight 6 feet above the water. She sees a swimmer at an angle of depression of 8°. How far away from the lifeguard is the swimmer? 12) The angle of depression from the top of a skyscraper to a fountain on the ground is 81°. The skyscraper is 421 meters tall. What is the distance from the base of the skyscraper to the fountain? ricar cmension of
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