the.com/circles
the only shape with infinite corners and none at all.
means a closed curve where every point sits exactly the same distance from a center, the geometry of perfect fairness.
from from latin circulus, little ring, itself a diminutive of circus meaning ring or arena — the shape named for the racetrack, not the other way around.
pi ratiocircumference over diameter, same number, always, forever
most efficientencloses maximum area for minimum perimeter
zero cornerstechnically a polygon with infinite infinitesimal sides
ancient obsessionsquaring the circle stumped mathematicians for 2000 years
for instance
stonehenge — neolithic ring of standing stones, england, circa 2500 bce
olympic rings — five interlocking circles, designed 1912, unveiled 1920 antwerp
crop circles — flattened field patterns, popularized wiltshire england 1970s onward
unit circle — radius 1 circle every trig student memorizes forever