Basic Definitions
Congruency
Anglish
Angle Pairs
Lines

### 100

This is represented by a straight path that extends in two opposite directions without end and has no thickness.
What is a line?

### 100

This is a point that divides the segment into two congruent segments.
What is a midpoint?

### 100

This angle measures less than 90 degrees.
What is an acute angle?

### 100

These are two coplanar angles with a common side, a common vertex, and no common interior points.

### 100

These are two lines that intersect to form right angles.
What are perpendicular lines?

### 200

This is represented by a flat surface that extends without end and has no thickness.
What is a plane?

### 200

This is a point, line, ray, or other segment that intersects a segment at its midpoint.
What is a segment bisector?

### 200

This angle measures to 90 degrees.
What is a right angle?

### 200

These are two angles whose sides are opposite rays.
What are vertical angles?

### 200

This is a line, segment, or ray that is perpendicular to the segmnet at its midpoint.
What is a perpendicular bisector?

### 300

This is part of aline that consists of two endpoints and all points between them.
What is a segment?

### 300

This is formed by two rays with the same endpoint.
What is an angle?

### 300

This angle measures more than 90 degrees but less than 180 degrees.
What is an obtuse angle?

### 300

These are two angles whose measures have a sum of 90 degrees.
What are complementary angles?

### 300

The ratio of the vertical change to the horizontal change between any two points.
What is the slope?

### 400

This is part of a line that consists of one endpiot and all the points of the line on one side of the endpoint.
What is a ray?

### 400

This is the endpoint of the angle.
What is the vertex?

### 400

This angle measures 180 degrees.
What is a straight angle?

### 400

These are two angles whose sum is 180 degrees.
What are supplementary angles?

### 400

This form of an equation of a nonvertical line is y=mx+b.
What is slope intercept form?

### 500

These are two rays that share the same endpoint and form a line.
What is opposite rays?

### 500

This is a ray that divides an angle into two congruent angles.
What is an angle bisector?

### 500

Angles with the same measure are...
What is congruent?

### 500

These are a pair of adjacent angles whose noncommon sides are opposite rays.
What are a linear pair?

### 500

The form of an equation of a nonvertical line is y-y1=m(x-x1).
What is the point slope form ?