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 (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

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.

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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