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

Question 154078: Avoiding a Collison: A car is traveling on a road tht 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.
Thank you
Answer by jojo14344(1513) (Show Source): You can put this solution on YOUR website!
Project the situation as a triangle:
The distance of the car to the crossing as an side = .
The distance of the train to the car at a certain angle is the = .
So the unknown is the distance of the train to the crossing which is the side= =?
by Pyth.Theorem:

----------------------------> distance of the train to the crossing
Thank you,
Jojo
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