Geometry Vocab Module 2

Front

The figure formed by two rays that have a common endpoint

Back

Angle

Front

Common endpoint of an angle

Back

Vertex

Front

One dimensional line that extends forever in only one direction. Labeled by 2 points. The first point is the endpoint

Back

Ray

Front

Two rays that share the same endpoint and form a straight line

Back

Opposite Rays

Front

Angles that have equal measures

Back

Congruent Angles

Front

Two angles that have a common vertex and common side, next to each other

Back

Adjacent Angles

Front

The ray that cuts an angle in half, splitting the angle into 2 congruent angles

Back

Angle Bisector

Front

An angle between 0 and 90 degrees

Back

Acute Angle

Front

An angle that is exactly 90 degrees

Back

Right Angle

Front

An angle between 90 and 180 degrees

Back

Obtuse Angle