Asked by Sasha



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 straight-line distance between them in kilometers, at the end of the 4 hours?
Answered by bobpursley
on walked 12km, and one walked 16km at right angles.

Isn't this a 3-4-5 right triangle?
Answered by Sasha


Yes, it probably is, but I have a hard time solving problems that involve 3-4-5 triangles or anything similar to that.
Answered by Reiny
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 right-angled triangle with sides 12 and 16, where you have to find the hypotenuse.
Think Pythagoras !
Answered by Sasha


lol, thank you. I understand the problem now.
Answered by dana
12
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