Two planes leave the airport at the same time. One flies due north at 400mph, the other flies at 300mph on a course 120° clockwise from due north. To the nearest mile, how far apart are the planes after 4 hours?

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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Two planes leave the airport at the same time. One flies due north at 400mph, the other flies at 300mph on a course 120° clockwise from due north. To the nearest mile, how far apart are the planes after 4 hours? 

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