Term
|
Definition
A point is a specific location in space with no size or shape.
[image] |
|
|
Term
|
Definition
A line is a never-ending straight path.
[image] |
|
|
Term
|
Definition
A segment is a part of a line containing two endpoints and all the points between them.
[image] |
|
|
Term
|
Definition
| A ray is a part of a line that extends indefinitely in one direction from a fixed point.[image] |
|
|
Term
|
Definition
| A plane is a two-dimensional flat surface that extends in all directions.[image] |
|
|
Term
|
Definition
| Opposite rays are Two rays that are part of the same line and have only their endpoints in common. In the figure, [image] and [image] are opposite rays.[image] |
|
|
Term
|
Definition
| Collinear points are Three or more points that lie on the same line.[image] |
|
|
Term
|
Definition
| Coplanar are Points or lines that lie in the same plane.[image] |
|
|
Term
|
Definition
| An angle is a figure formed by two rays with a common endpoint.[image] |
|
|
Term
|
Definition
| A midpoint is on a line segment, the point that is halfway between the endpoints. |
[image]
|
|
|
Term
|
Definition
| A bisector is ray whose endpoint is the vertex of the angle and is located in the interior of the angle. It separates a given angle into two angles with equal measure.[image] |
|
|
Term
|
Definition
| Congruent is Having the same measure.[image] |
|
|
Term
|
Definition
| The vertex is The common endpoint of the rays forming the angle.[image] |
|
|
Term
|
Definition
| An acute angle is an angle with a measure greater than 0° and less than 90°.[image] |
|
|
Term
|
Definition
| An obtuse angle is an angle that measures more than 90° but less than 180°.[image] |
|
|
Term
|
Definition
| An right angle is an angle that measures exactly 90°.[image] |
|
|
Term
|
Definition
| A straight angle is an angle that measures 180°.[image] |
|
|
Term
|
Definition
| Complementary angles are two angles are complementary if the sum of their measures is 90°.[image] |
|
|
Term
|
Definition
| Supplementary angles are two angles are supplementary if the sum of their measures is 180°.[image] |
|
|
Term
|
Definition
| Vertical angles are opposite angles formed by the intersection of two lines.[image] |
|
|
Term
|
Definition
| Adjacent angles are Angles that have the same vertex, share a common side, and do not overlap.[image] |
|
|
Term
|
Definition
| Linear Pairs are Two angles that are adjacent and supplementary.[image] |
|
|
Term
|
Definition
| Perpendicular lines are lines which meet to form right angles and whose slopes have a product of -1.[image] |
|
|
Term
|
Definition
| A polygon is a simple closed figure in a plane formed by three or more line segments.[image] |
|
|
Term
|
Definition
A concave polygon is a polygon for which a point on at least one of its diagonals lies outside the polygon.
[image] |
|
|
Term
|
Definition
| A convex polygon is a polygon for which all diagonals are located in the interior of the polygon.[image] |
|
|
Term
|
Definition
| A regular polygon is a polygon that has all sides congruent and all angles congruent.[image] |
|
|
Term
|
Definition
| Any polygon that is not a regular polygon. A irregular polygon is a polygon whose sides are not all the same length or whose interior angles do not all have the same measure.[image] |
|
|
Term
|
Definition
| A diagonal is a segment joining two nonconsecutive vertices of a polygon. [image] |
|
|
Term
|
Definition
| A side is the segments that form a closed figure.[image] |
|
|
Term
|
Definition
| The perimeter is the distance around a closed geometric figure.[image] |
|
|
Term
|
Definition
| A triangle is a polygon having three sides.[image] |
|
|
Term
|
Definition
| A quadrilateral is a polygon having four sides.[image] |
|
|
Term
|
Definition
| A Pentagon is a polygon with five sides.[image] |
|
|
Term
|
Definition
| A hexagon is a polygon with six sides. [image] |
|
|
Term
|
Definition
| A octagon is a polygon with eight sides. [image] |
|
|
Term
|
Definition
| A decagon is a polygon with ten sides. [image] |
|
|
Term
|
Definition
| [image]A Dodecagon is a polygon with 12 sides. |
|
|
Term
|
Definition
| A n-gon is polygon with n sides.[image] |
|
|
