(1) The authors describe a paper by Ku00fcrschu00e1k written in 1898 in which a regular dodecagon inscribed in a unit circle is investigated.(2) Dissections can get quite elaborate: A seven-pointed star becomes two heptagons; a dodecagon turns into three identical squares; and so on.(3) If you have a 40 yard loop with a post every yard, it doesn't matter whether it's a circle, a square, or a dodecagon .(4) Incidentally, globes representing the Earth are often made this way using a regular dodecagon as the equatorial base.(5) How many triangles does it take to make a dodecagon ?
