SOLUTION: A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is

Question 161283: A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the car's new collision detector warns the driver that there is a train 50 meters from the car and heading toward the same crossing. How far is the train from the crossing?
Answer by vleith(2983) (Show Source): You can put this solution on YOUR website!
This is a classic 3-4-5 triangle. ONe leg is 30, the hypotenuse is 50. So the other leg must be 40.