Henry Ernest Dudeney/Puzzles and Curious Problems/201 - Square and Triangle

by : $201$

 * Square and Triangle
 * Take a perfectly square piece of paper,
 * and fold it as to form the largest possible equilateral triangle.


 * A triangle in which the sides are the same length as those of the square, as shown in our diagram,
 * will not be the largest possible.


 * Dudeney-Puzzles-and-Curious-Problems-201.png


 * Of course, no markings or measurements may be made except by the creases themselves.