Vocab
Vocab II
Vocab III
Naming
Angle Facts
100
A position in space represented with a dot.
What is a point.
100
A figure formed by two rays with the same endpoint.
What is an angle.
100
An angle whose measure is exactly 90 degrees.
What is a right angle.
100
The way you name a point
What is a capital letter.
100
Two angles whose sum is equal to 90 degrees.
What are complementary angles.
200
A set of connected points that extend without end in two opposite directions.
What is a line
200
The endpoint of the rays that form the angle.
What is the vertex.
200
An angle whose measure is less than 90 degrees.
What is an acute angle.
200
Two capital letters with a line on top that includes arrows on both sides.
What is the way you name a line.
200
Two angles whose sum is equal to 180 degrees.
What are supplementary angles.
300
A part of a line that has one endpoint and extends without end in the opposite direction.
What is a ray.
300
An angle whose measure is less than 90 degrees.
What is an acute angle.
300
An angle whose measure is greater than 90 degrees but less than 180 degrees.
What is an obtuse angle.
300
The way you name a ray
Two capital letters with a line on top that has one arrow pointing right.
300
The angle addition postulate.
What is m
400
A part of a line that consists of two endpoints and all the points between them.
What is a segment.
400
A semicircular too used to measure degrees.
What is a protractor.
400
An angle whose measure is exactly 180 degrees.
What is straight angle.
400
Two capital letters with a line on top (no arrows)
What is how to name a line segment.
400
The vertex of an angle when named m<ABC
What is the second letter (ex. the B in m<ABC)
500
A flat surface that extends without end in all directions.
What is a plane.
500
The symbol used to represent an angle.
What is <.
500
A word that is accepted without proof.
What is a postulate.
500
This figure is named using a capital script letter.
What is a plane.
500
The line that cuts an angle into two congruent halves
What is an angle bisector
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