-GEOMETRY:It is an area of Knowledge which studies any elements and operetions on/in the plane such as points.
-GREEK:Geo is earh metry is measurent.
-POINT:In geometry a point can be defined as place or localitation where two lines intersect.A point hasn´t dimension;no heigh and no widht.
-LINE:A object formed of infinited points.It hasn´t end and continues on forever in a plane.
-RAY:A line which begins at a particular point(called the end point) and extends endlessly in one direction.
-MINDPOINT:It is the point is between the end points of a line segment.
-LINE SEGMENT:It is a line with two points.
-LENGHT:Measurement of something from end to end.