SOLUTION: two planes leave Chicago O' Hare airport at the same time. One flies west at 300 mph and the other flies south at 400 mph. How far apart will they be in one hour?

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Question 1048829: two planes leave Chicago O' Hare airport at the same time. One flies west at 300 mph and the other flies south at 400 mph. How far apart will they be in one hour?
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
It's a right triangle.
Find the hypotenuse.