What are “undefined terms”?
The building blocks of geometry
What is a point?
Indicates a place or position
no length, width, or thickness
named by a capital letter
represented by a dot
What is a line?
Set of points that extend endlessly in both directions
Named using two points
What is a plane?
Set of points that forms a completely flat surface expanding indefinitely in all directions
What is a line segment/segment?
Set of points consisting or 2 points on a line, named with its end points, and includes all points on the line between the end points
What are congruent segments?
Segments that have the same measure
What is the symbol for congruence?
≅
What are collinear points?
A set of points all of which lie on the same line
Order point
What is a midpoint?
The point of the segment that divides the segment into 2 congruent segments
What is a bisector?
Any line or subsect of a line that intersects the segment at its midpoint