Term
|
Definition
A point is a geometric figure formed at the intersection of two distinct lines.
[image] |
|
|
Term
|
Definition
A line is the straight path connecting two points extending infinitely in both directions.
[image] |
|
|
Term
|
Definition
A segment is a line that starts at the first point and ends at the last point.
[image] |
|
|
Term
|
Definition
A ray is a part of a line starting at one point and extending infinitely in one direction.
[image] |
|
|
Term
|
Definition
A plane is a two dimensional surface extending infintely in all directions.
[image] |
|
|
Term
|
Definition
Opposite Rays are rays that start at a common point and extend off into exact opposite directions.
[image] |
|
|
Term
|
Definition
Collinear is when more than one point share the same line.
[image] |
|
|
Term
|
Definition
Coplanar is when more than one point share a plane.
[image] |
|
|
Term
|
Definition
| Angles are two rays sharing a common pont that extend in different directions.[image] |
|
|
Term
|
Definition
A midpoint is the point halfway between two given points.
[image] |
|
|
Term
|
Definition
A bisector is a line or ray that divide an angle into two equal halves.
[image] |
|
|
Term
|
Definition
Congruent is when two geometric figures have the same measure.
[image] |
|
|
Term
|
Definition
A vertex is the corner point of a geometric figure.
[image] |
|
|
Term
|
Definition
An acute angle is an angle that's measure is less than 90 degrees.
[image] |
|
|
Term
|
Definition
An obtuse angle is an angle that's measure exeeds 90 degrees.
[image] |
|
|
Term
|
Definition
A right angle is an angle whose angle measure is exactly 90 degrees.
[image] |
|
|
Term
|
Definition
A straight angle is an angle with a measure of exactly 180 degrees.
[image] |
|
|
Term
|
Definition
Complementary angles are adjacent angles whose angle measures add up to 90 degrees.
[image] |
|
|
Term
|
Definition
Supplementary angles are adjacent angles whose measures add up to 180 degrees.
[image] |
|
|
Term
|
Definition
Vertical angles are congruent opposite angles that share a vertex.
[image] |
|
|
Term
|
Definition
Adjacent angles are angles that share a side and vertex.
[image] |
|
|
Term
|
Definition
A linear pair consists of two angles whose measures add up to a total of 180 degrees.
[image] |
|
|
Term
|
Definition
Perpendicular lines are two lines that intersect at 90 degree angles.
[image] |
|
|
Term
|
Definition
A polygon is a closed figure that is made up of at least three line segments.
[image] |
|
|
Term
|
Definition
A triangle is a polygon with three sides.
[image] |
|
|
Term
|
Definition
A quadrilateral is a polygon with 4 sides.
[image] |
|
|
Term
|
Definition
A pentagon is a polygon with five sides.
[image] |
|
|
Term
|
Definition
A hexagon is a polygon with 6 sides.
[image] |
|
|
Term
|
Definition
An octagon is a polygon with eight sides.
[image] |
|
|
Term
|
Definition
A decagon is a polygon with ten sides.
[image] |
|
|
Term
|
Definition
A dodecagon is a polygon with twelve sides.
[image] |
|
|
Term
|
Definition
A n-gon is a polygon that when you replace the n with a number that represtents how many sides the shape has.
8-gon = Octagon
|
|
|
Term
|
Definition
Concave is when at least one of a polygon's interior angles measure exceeds 180 degrees.
[image] |
|
|
Term
|
Definition
Convex is when a polygon's interior angles do not exceed 180 degrees.
[image] |
|
|
Term
|
Definition
Regular is when all of a polygon's angles and sides are congruent.
[image] |
|
|
Term
|
Definition
Irregular is when all of a polygon's angles and sides are not congruent.
[image] |
|
|
Term
|
Definition
Diagonal is the length between two points of a polygon that do not make a side.
[image] |
|
|
Term
|
Definition
A side is the line segment between two connected points on a polygon.
[image] |
|
|
Term
|
Definition
The peremter is the sum of all the sides of a polygon.
[image] |
|
|
