Geometry Terms

a location with no size or shape

• line

• point

• coplanar

• plane

made up of points with no thickness or width; extends indefinitely in both directions

• line

• point

• ray

• angle

A flat surface made up of points that extends indefinitely in all directions

• coplanar

• angle

• plane

• vertical angles

points that lie on the same plane

• colinear

• linear pair

• plane

• coplanar

points that lie on the same line

• coplanar

• colinear

• line segment

• line

a measurable part of a line consisting of two endpoints

• line segment

• ray

• adjacent angles

• supplementary

a line that extends indefinitely in one direction

• line

• point

• ray

• angle

the intersection of two rays at a common endpoint

• adjacent angles

• complimentary

• angle

• plane

two angles that share a common vertex and side

• vertical angles

• adjacent angles

• linear pair

• supplementary

congruent angles that are across from each other on intersecting lines

• complimentary

• supplementary

• linear pair

• vertical angles