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Square in a notched square (Posted on 2015-11-25) Difficulty: 3 of 5
Remove a unit square from each corner of a square of side x (with x≥2).

Find, in terms of x, the area of the largest square that can be inscribed in the remaining figure.

No Solution Yet Submitted by Jer    
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re: A thought (spoiler) Comment 3 of 3 |
(In reply to A thought (spoiler) by Harry)

Nice one Harry.  Quite obvious once you see it. 

I used the more complicated quadratic method as Charlie did never noticing the simpler dissection.  See the official solution for the source. 

  Posted by Jer on 2015-11-27 15:44:34
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