Posted by **Greg** on Tuesday, October 19, 2010 at 12:46pm.

2 ships sail from the same por, one sails dew east at 15 mph and the second sailed dew south at 20 mph, how far apart are the ships after 3 hours? could you show the how you set this problem up?

- math -
**drwls**, Tuesday, October 19, 2010 at 12:57pm
They sail in perpendicular directions. The line connecting their locations is always the hypotenuse of a right triangle with perpendicular legs. After 3 hours, the legs of the triangle are 45 and 60 miles.

The hypotenuse (distance between them) is 75 miles at that time, according to the Pythagorean theorem.

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