depression of the point R as seen by a passenger on the helicopter. 19. A vertical flagpole, CH, stands at the top of a hill. AC is the steepest path up the hill. B lies vertically below C and ZABC=90°. AB = 200 m and ZACB=72°. %3D H 720 A 200 m В Calculate a) i) AC, and il) ВC. b) It is given that ZHAC= 15°. i) Write down the size of the angle of depression of A from H. ii) Calculate the height, CH, of the flagpole. %3D Trigonon
depression of the point R as seen by a passenger on the helicopter. 19. A vertical flagpole, CH, stands at the top of a hill. AC is the steepest path up the hill. B lies vertically below C and ZABC=90°. AB = 200 m and ZACB=72°. %3D H 720 A 200 m В Calculate a) i) AC, and il) ВC. b) It is given that ZHAC= 15°. i) Write down the size of the angle of depression of A from H. ii) Calculate the height, CH, of the flagpole. %3D Trigonon
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°.
Related questions
Question
Transcribed Image Text:depression of the point R as seen by a
passenger on the helicopter.
*19. A vertical flagpole, CH, stands at the top of a
hill. AC is the steepest path up the hill. B lies
vertically below C and ZABC=90°.
AB = 200 m and ZACB=72°.
e. The
string,
o the
H
ite
720
A
200 m
B
Calculate
a) i) AC, and
ii) BC.
It is given that ZHAC = 15°.
i) Write down the size of the angle of
depression of A from H.
ii) Calculate the height, CH, of the
flagpole.
b)
%3D
Trigonor
43
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