Posted by Sasha on Monday, October 27, 2008 at 9:10pm.
Edna and Nancy leave the house of a common friend at the same time and walk for 4 hours. Edna walks due east at the average rate of 4 kilometers per hour and Nancy walks due north at the average rate of 3 kilometers per hour. What is the straightline distance between them in kilometers, at the end of the 4 hours?

math  bobpursley, Monday, October 27, 2008 at 9:14pm
on walked 12km, and one walked 16km at right angles.
Isn't this a 345 right triangle?

math  Reiny, Monday, October 27, 2008 at 9:17pm
Wow, Edna and Nancy walk for 16 km and 12 km??
Can't be in 2008, they would get in their SUV's for sure, lol
I see a rightangled triangle with sides 12 and 16, where you have to find the hypotenuse.
Think Pythagoras !

math  dana, Friday, November 13, 2015 at 6:13am
12
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