Problem A. 526. (January 2011)
A. 526. In the Cartesian plane call those regions as strips which are bounded by two parallel lines. Define the width of a strip as the side length of the inscribed squares, with sides being parallel to the coordinate axes. Prove that if finitely many strips cover the unit square 0x,y
1 then the sum of widths of those strips is at least 1.
(5 pont)
Deadline expired on February 10, 2011.
Statistics:
1 student sent a solution. 5 points: Nagy 235 János.
Problems in Mathematics of KöMaL, January 2011