11. A person on the ground is directly between two helicopters that are flying toward each other at the same altitude. The first helicopter is 2.0 km away from the observer, at an angle of elevation of 30°, while the second helicopter is 3.5 km away. Round answers to the nearest tenth of a kilometre, if necessary. a) Draw a diagram and label the known information. b) How far apart are the helicopters? c) What is their altitude?

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter6: Circles
Section6.3: Line And Segment Relationships In The Circle
Problem 43E
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11. A person on the ground is directly
between two helicopters that are flying
toward each other at the same altitude.
The first helicopter is 2.0 km away from
the observer, at an angle of elevation of
30°, while the second helicopter is
3.5 km away. Round answers to the nearest
tenth of a kilometre, if necessary.
a) Draw a diagram and label the known
information.
b) How far apart are the helicopters?
c) What is their altitude?
Transcribed Image Text:11. A person on the ground is directly between two helicopters that are flying toward each other at the same altitude. The first helicopter is 2.0 km away from the observer, at an angle of elevation of 30°, while the second helicopter is 3.5 km away. Round answers to the nearest tenth of a kilometre, if necessary. a) Draw a diagram and label the known information. b) How far apart are the helicopters? c) What is their altitude?
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