Chapter 1
Chapter 2
Chapter 3
Chapter 4
100

The measurable part of a line.

Line Segment

100

The point that divides the segment into 2 congruent segments. 

Midpoint

100

Two angles across from each other on intersecting lines. 

Vertical Angles

100

p -> q

Conditional Statement

200

Part of a line. 

Ray

200

Formed by two rays with a common endpoint. 

Angle

200

Two angles that are next to each other and share a common side. 

Adjacent Angles

200

~p -> ~q

Inverse Statement

300

Rays with a common endpoint.

Opposite Rays

300

An angle under 90 degrees. 

Acute Angle

300

Any two angles whose sum is 90 degrees. 

Complementary Angles

300

q -> p

Converse Statement

400

What is a point?

A point is a location. 

400

An angle over 90 degrees. 

Obtuse Angle

400

Any two angles whose sum is 180 angles. 

Supplementary Angles

400

~q -> ~p 

Contrapositive Statement

500

Define plane. 

A flat surface made of points. 

500

A 90 degree angle. 

Right Angle

500

Two angles that form a straight line.

Linear Pair

500

p <-> q

Bi-Conditional Statement