SOLUTION: Elisa walked 1 mile north, 0.5 mile west, and then walked straight back to her starting point. How far did elisa walk

Question 578026: Elisa walked 1 mile north, 0.5 mile west, and then walked straight back to her starting point. How far did elisa walk
Found 2 solutions by dfrazzetto, solver91311:
Answer by dfrazzetto(283) (Show Source): You can put this solution on YOUR website!
It is a right triangle w/ a=1, b=.5, to find c:
c^2 = a^2 + b^2 take the square root of both sides
c= = = 1.118
To find how far she walked, just find the perimeter of the triangle
P = a + b + c = 1 + .5 + 1.118 = 2.618 miles, roughly

Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!

Use Pythagoras:

to get the "straight back" distance.

Then add the three distances.

John

My calculator said it, I believe it, that settles it

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