SOLUTION: I need help with the following word problem 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 collis

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Question 49304This question is from textbook
: I need help with the following word problem
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 collision detector warns that there is a train 50 meters from the car and heading for the same crossing. How far is the train from the crossing?
Thank you!!! This question is from textbook

Answer by Nate(3500) About Me  (Show Source):
You can put this solution on YOUR website!
Think of this as a triangle:
distance from the car to crossing (leg) = 30
distance from the car to the train (hypotenuse) = 50
distance from the train to the crossing (leg) = b
a%5E2+%2B+b%5E2+=+c%5E2
30%5E2+%2B+b%5E2+=+50%5E2
b%5E2+=+1600
b+=+40 The train is 40 meters from the crossing.