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Points, Lines, and Angles - part I
Two rays that share an endpoint and extend in opposite directions to form a line
Position in space, often represented by a dot
A portion of a line that extends from one endpoint infinitely in one direction
point of intersection
The point at which two lines intersect
Something that relates to or resembles a line
A point that bisects a line segment
Lines in the same plane that never intersect
Three or more points that lie in the same line
Two lines that form a right angle at their point of intersection
A finite portion of a line that has two endpoints
A set of points in a straight path that extends infinitely in both directions
A flat surface that extends infinitely in all directions
Three or more points that lie in the same plane
If three points are coplanar, then the line containing two of the points is in the same plane