I've saved in walking but not in calculating

Geometry Level 2

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

24 % 33 % 20 % 30 %

Manish Mayank by Manish Mayank , 20, India

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3 solutions

Sakshi Rathore
Jul 22, 2015

this is an imo problem which i have given...2013 class 8th set b

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Astro Enthusiast
Jul 18, 2014

We know that the diagonal of the square is x square root of 2. Assuming that the sides are 1, so the diagonal is square root of 2. 1/square root of 2 will give us .70 which means, we save 30% of walking :)

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Love Grover
Jul 17, 2014

(2-1.4)/2=.3

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