(Not) covering an unit square with (rectangle or) triangles
Source: Romanian TST 1979 day 2 5
April 15, 2023
combinatorial geometrycombinatorics
Problem Statement
a) Are there rectangles rectangles lying strictly inside the interior of a unit square?
b) Find the minimum number of equilateral triangles of unit side which can cover completely a unit square.Laurențiu Panaitopol