Basic Geometry Concepts

Front

What is a point in geometry?

Back

A location with no size or shape.

Front

Line

Back

Made up of points with no thickness or width

Front

line segment

Back

a measurable part of a line consisting of two endpoints

Front

ray

Back

A line that extends indefinitely in one direction

Front

collinear

Back

points that lie on the same line

Front

non-collinear

Back

points that don't lie on the same line

Front

coplanar

Back

points that lie on the same plane

Front

non=planar

Back

points that don't lie on the same plane

Front

congruent segments

Back

if two segments have the same length, then they are congruent

Front

perpendicular

Back