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 cars new collison detector warns the driver that there is

Question 168351: A car is traveling on a road that is perpendicular to a railroad track. When the car is 30 meters from the crossing, the cars new collison 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 Mathtut(3670) (Show Source): You can put this solution on YOUR website!

this is a right triangle problem so use the pathorean theorem:
in this case a is 30 and c is 50 and b is what you are looking for

take sqrt of both sides
which is how far the train is from the crossing
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