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A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges?

A man walked diagonally across a square lot. Approximately, what was the percent saved by not walking along the edges? Correct Answer 30

Let the side of the square(ABCD) be x meters.

 

Then, AB + BC = 2x metres.

 

AC = 2x = (1.41x) m.

 

Saving on 2x metres = (0.59x) m.

 

Saving % =0.59x2x*100 = 30% (approx)

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