SOLUTION: A car is traveling on a road that is perpendicular to a railroad track. When the car is 60 yards from the crossing, the car's new collision alert system warns the driver that a tra

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Question 296681: A car is traveling on a road that is perpendicular to a railroad track. When the car is 60 yards from the crossing, the car's new collision alert system warns the driver that a train is diagonally, 100 yards from him and traveling toward the same crossing. How far is the train from the crossing?
Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
80
60^2+80^2=100^2
This is the classic 3,4,5 right triangle multiplied by 20