Before you can tacklegeometry’s toughest concepts, you must first
understand the building blocks of geometry: the point, the line, and the
plane. Points, lines, and planes are critical to geometry because they com-
bine to create the angles, polygons, prisms, and circles that are the focus of
geometry. Let’s begin by learning the definitions of the three rudimentary
elements of geometry.
Point
A pointis a location in space; it indicates position. It occupies no space of
its own, and it has no dimension of its own. One of the most important con-
cepts to remember about points is that it only takes two points to define, or
create, a line.
Figure SymbolAPoint AA