A cowboy is 5 kilometers south of a stream which flows due east. He is also 8 kilometers west and 6 kilometers north of his cabin. He wishes to water his horse at the stream and return home. What Is the shortest distance he can travel and accomplish this?

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abhishek

  • Oct 11th, 2005
 

so cow boy is standing 5 km south of stream ..

and he is 8 km west and 6 km south from  cabin so

applying pythagoras theorm shortest distance is  sqrt 8^2+6^2=10

and 5 km from river

so total he need to travel 10+5=15 km

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drexeldave

  • Apr 12th, 2007
 

He goes 5km to the stream.

Now he is 5+6 km North of his cabin and 8 km east.
apply pyth -> sqrt(11^2+8^2)

He travels sqrt(185)+5 ~= 18.6

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