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So i sketched it out

Pythagorean Theorem

|dw:1443659413569:dw|

85^2+66^2=x^2
sqrt11581 = x
107.6=x

So in order to find how much time it saves we have to change 7 miles per hour to 6 meters per hour?

how many meters***

not 6

So 5.799 hours saved?

Yes.

is it because 88+66 is the walking around the corner

and sqrt88^2+65^2 is the cut through?
Also why do we square this?

well, (85+66) miles is the distance that takes you to walk without cuttting across, correct?

Yes

And *√[88²+65²] miles* is the distance that takes you when you cut across.

So, the distance you saved by walking across is
(85+66) - √[88²+65²]

wait also where did the 88 come from?

Oh, typo

I apologize

88 should be 85

so that means that the hours saved would be 6.285

Alright That makes a lot more sense putting it that way

6.19784932