Geometry

point

point a small, round mark on a line, plan, or map to show the position of something...

cardioid

cardioid A heart-like form, is a plane curve traced by a point on the perimeter of a circle that is rolling around a fixed circle...

plane

plane a flat or level surface that continues in all directions; a tectonic element characterized by having two similar dimensions proportionally larger than the third;...

THEORIA