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

Answers (1)

Let the length of side of square be Y meters

AB+BC = 2Y meters

AC = square root of 2 x Y=1.414 Y

saving = 2Y - 1.41Y = 0.59Y

% saving is 0.59/2 x 100 = 29.5%

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