Object Details maker Wheeler, Albert Harry Description The four pieces of this hinged dissection have green and black sections and may be arranged as a regular hexagon with a black rectangle inscribed ...

A simple, step-by-step guide showing how to draw a regular hexagon, square and triangle, aimed at children between the ages of 11 and 14.

His "conjecture" — and that's what it was, a mathematical guess — proposed that a structure built from hexagons is probably a wee bit more compact than a structure built from squares or triangles.