Geo 1
Geo 2
Geo 3
Geo 4
Geo 5
100

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

Plane

100

A location with no size or shape.

Point

100

Made up of points with no thickness or width; Extends indefinitely in both directions.

Line

100

A line that extends indefinitely in one direction.

Ray

100

The intersection of two rays at a common endpoint.

Angle

200

Adjacent angles that are supplementary

Linear Pair

200

Two lines that intersect at a 90° angle.

Perpendicular

200

 Points that lie on the same line.

Collinear

200

Congruent angles that are across from each other on intersecting lines.

Vertical Angles

200

Points that lie on the same plane.

Coplanar

300

Two angles with measures that have a sum of 180°.

Supplementary

300

Two angles that share a common vertex and side.

Adjacent Angles

300

Two angles with measures that have a sum of 90°.

Complementary

300

A line, ray, or segment that divides an angle or segment into two equal parts.

Bisector

300

A measurable part of a line consisting of two endpoints.

Line Segment