How can we help?
You can also find more resources in our
Select a category
Something is confusing
Something is broken
I have a suggestion
What is your email?
What is 1 + 3?
Chapter 1 PH Geometry Vocabulary
A conclusion you reach using inductive reasoning.
Example for which conjecture is incorrect.
A location. Has no size. Named by a capital letter.
Series of points that extend in two opposite directions without end. Named by any two points on the line.
Points that lie on the same line.
Flat surface with no thickness.
Points and lines in the same plane.
Accepted statement or fact.
Part of a line consisting of two endpoints and all points in between.
Part of a line consisting of one endpoint and all the points on the line on one side of the endpoint.
Two collinear rays with the same endpoint.
Coplanar lines that do not intersect
Lines that are noncoplanar
Halfway between the two endpoints of a segment
A point that is the same distance from two or more points.
Three or more lines all passing through the same point.
Two lines that intersect to form right angles.
Line, segment, or ray that is perpendicular to the segment at its midpoint.
Ray that divides an angle into two congruent coplanar angles. Endpoint is the angle bisector.
The statement that you prove true.