Lines
An exact position or location
A point
Two rays that share a common point
A angle
A three-sided shape with a sum of 180 degrees
A curved shape with all points equidistant from the center; has a measure of 360 degrees
Polygon with five sides
A portion of a line with two endpoints
A line segment
An angle that measures exactly 90 degrees
A right angle
A triangle with no equal sides
Scalene Triangle
The distance from the center of a circle to any point on the circle
Radius
Polygon with six sides
Hexagon
A line or segment that splits another segment into two congruent parts
Segment Bisector
An angle that measures exactly 180 degrees
A triangle with all equal sides and angles
A equilateral triangle
A segment going through the center of a circle that has endpoints on the circle; twice the length of the radius
A diameter
Polygon with nine sides
Nonagon
A Flat 2D surface that extends infinitely
A plane
A line or segment that splits an angle into two congruent parts
A angle bisector
A triangle with a 90 degree angle
A right triangle
Half of a circle; has a measure of 180 degrees
A semicircle
Polygon with eight sides
A series of points that extends infinitely in one direction
A ray
Lines or segments that form right angles at their intersection
Perpendicular
The side of a right triangle opposite the right angle
A shape with corners and edges
A polygon
Polygon with seven sides