SOLUTION: If two planes leave the same airport at l p.m. One flies West at 180 mph & one flies North at 210 mph. How far apart will they be at 3 p.m.?

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Question 478418: If two planes leave the same airport at l p.m. One flies West at 180 mph & one flies North at 210 mph. How far apart will they be at 3 p.m.?
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
(360)2+(420)2=p2
129600+176400=306000
p=553.17 or -553.17
Throwing out the negative answer, we get the distance of the planes to be 553.17 miles