SOLUTION: Two airplanes depart from the same place at 2 pm. One plane flies north at a speed of 478 km/hr, and the other flies east at a speed of 374 km/hr. How far apart are the airplanes a

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Question 634236: Two airplanes depart from the same place at 2 pm. One plane flies north at a speed of 478 km/hr, and the other flies east at a speed of 374 km/hr. How far apart are the airplanes at 4:00 pm?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
(2*478)^2+(2*374)^2=c^2
c=1213.85 km