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Problems 8. A forest ranger standing in a 30 m tall tower sees two forest fires. He spots the first fire at an angle of depression of 5.6°. He spots the second fire at an angle of depression of 8.1°. How far apart are the fires (to the nearest tenth of a metre)? Justify your answer.

Problems 8. A forest ranger standing in a 30 m tall tower sees two forest fires. He spots the first fire at an angle of depression of 5.6°. He spots the second fire at an angle of depression of 8.1°. How far apart are the fires (to the nearest tenth of a metre)? Justify your answer.

Trigonometry (MindTap Course List)
Trigonometry (MindTap Course List)
8th Edition
ISBN:9781305652224
Author:Charles P. McKeague, Mark D. Turner
Publisher:Charles P. McKeague, Mark D. Turner
Chapter6: Equations
Section6.1: Solving Trigonometric Equations
Problem 94PS
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bast on grade 10 student answer the following questions 

Problems 8. A forest ranger standing in a 30 m tall tower sees two forest fires. He spots the first fire at an angle of depression of 5.6°. He spots the second fire at an angle of depression of 8.1º. How far apart are the fires (to the nearest tenth of a metre)? Justify your answer.
Transcribed Image Text:Problems 8. A forest ranger standing in a 30 m tall tower sees two forest fires. He spots the first fire at an angle of depression of 5.6°. He spots the second fire at an angle of depression of 8.1º. How far apart are the fires (to the nearest tenth of a metre)? Justify your answer.
Problems 9. A surveyor is working with an engineer to build a tunnel, d, through a hill. They used a map of the area and some known distances to make the sketch shown below. How long should the tunnel be? Justify your answer. 250 m D 550 m B 420 m E tunnel 275 m G hill
Transcribed Image Text:Problems 9. A surveyor is working with an engineer to build a tunnel, d, through a hill. They used a map of the area and some known distances to make the sketch shown below. How long should the tunnel be? Justify your answer. 250 m D 550 m B 420 m E tunnel 275 m G hill
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