document.write( "Question 40999: Avoiding a collision. 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? \n" ); document.write( "

Algebra.Com's Answer #26502 by fractalier(6550) $\"\"$ $\"About$

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If you draw the diagram, you'll see that it's a right triangle, with legs measuring 30 ft and 40 ft and a hypotenuse of 50 ft (a^2 + b^2 = c^2)...thus the train is 40 ft from the crossing... \n" ); document.write( "

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