SOLUTION: Mary walks 4 miles north and then turns and walks 5 miles west. How far is she from her original starting point?

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Question 311338: Mary walks 4 miles north and then turns and walks 5 miles west. How far is she from her original starting point?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
this is a triangle word problem not a travel problem. a=4 b=5 find c in a%5E2%2Bb%5E2=c%5E2
4%5E2%2B5%5E2=c%5E2
16%2B25=c%5E2
sqrt%2841%29=c
6.4031=c
6.4031 miles away