click below
click below
Normal Size Small Size show me how
Geometry U2 Vocab
Term | Definition |
---|---|
Undefined Term | A word that is not mathematically defined using known words. |
Point | A point has no dimension. It is represented by a small dot. |
Line | A line has one dimension and extends without end in two directions. |
Plane | A plane has two dimensions. It is a flat surface with no thickness and extends forever. |
Line Segment | Part of a line that consists of two endpoints, and all points on the line between the endpoints. |
Ray | Part of a line that has one fixed endpoint and extends infinitely along the line from the endpoint. |
Angle | Consists of two rays with the same endpoint. |
Congruent Angles | Two angles that have the same measure. |
Congruent Line Segments | Two line segments that have the same measure. |
Angle Bisector | A ray that divides an angle into two angles that are congruent. |
Segment Bisector | A segment, ray, line, or plane that intersects a segment at its midpoint. |
Perpendicular Lines | Two Lines that lie in the same plane and do not intersect. |
Parallel Lines | Two Lines that lie in the same plane and do not intersect. |
Transversal | A line that intersects two or more coplanar lines at different points. |
Midpoint | The point on a segment that divides it into two congruent segments. |
Equidistant | The Same Distance. |
Postulate (Axiom) |