A ship is located at point P represented in the figure above. An island is located at point Q and the angle between the ship's route and the island is 80° as shown. After travelling to point R, the angle between point P and the island is measured to be 81° and the distance from the ship to the island is 411 kilometers. What distance, in kilometers, did the ship travel from point P to point R? (Round your answer to the nearest tenth if necessary.)
A ship is located at point P represented in the figure above. An island is located at point Q and the angle between the ship's route and the island is 80° as shown. After travelling to point R, the angle between point P and the island is measured to be 81° and the distance from the ship to the island is 411 kilometers. What distance, in kilometers, did the ship travel from point P to point R? (Round your answer to the nearest tenth if necessary.)
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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Ratios
A ratio is a comparison between two numbers of the same kind. It represents how many times one number contains another. It also represents how small or large one number is compared to the other.
Trigonometric Ratios
Trigonometric ratios give values of trigonometric functions. It always deals with triangles that have one angle measuring 90 degrees. These triangles are right-angled. We take the ratio of sides of these triangles.
Question
Transcribed Image Text:A ship is located at point P represented in the
figure above. An island is located at point Q and
the angle between the ship's route and the island
is 80° as shown. After travelling to point R, the
angle between point P and the island is measured
to be 81° and the distance from the ship to the
island is 411 kilometers. What distance, in
kilometers, did the ship travel from point P to
point R? (Round your answer to the nearest tenth
if necessary.)
Transcribed Image Text:411 km
81°
80°
R
P
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