A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as N 55.0° E at an altitude of a = 432 feet. An observer at C sights the helicopter and gives „DCB as 12.4°. How far will a rescue boat at A have to travel to reach any survivors at B? (See the figure below. Round your answer to the nearest 10ft.) ft D a N A B W C. E Need Help? Read It Watch It Talk to a Tutor

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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A helicopter makes a forced landing at sea. The last radio signal received at
station C gives the bearing of the helicopter from C as N 55.0° E at an
altitude of a = 432 feet. An observer at C sights the helicopter and gives
„DCB as 12.4°. How far will a rescue boat at A have to travel to reach any
survivors at B? (See the figure below. Round your answer to the nearest
10ft.)
ft
D
a
N
A
B
W
C.
E
Need Help?
Read It
Watch It
Talk to a Tutor
Transcribed Image Text:A helicopter makes a forced landing at sea. The last radio signal received at station C gives the bearing of the helicopter from C as N 55.0° E at an altitude of a = 432 feet. An observer at C sights the helicopter and gives „DCB as 12.4°. How far will a rescue boat at A have to travel to reach any survivors at B? (See the figure below. Round your answer to the nearest 10ft.) ft D a N A B W C. E Need Help? Read It Watch It Talk to a Tutor
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