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