Lines & Angles

Front

Angles are measured in ___________.

Back

Degrees

Front

An _________ angle has a measure greater than 90 degrees.

Back

Obtuse Angle

Front

An _______________ angle has a measure less than 90 degrees.

Back

Acute Angle

Front

A __________ has one endpoint and goes on forever in one direction.

Back

Ray

Front

A ___________ __________ has two endpoints.

Back

Line Segment

Front

A __________ angle measures exactly 90 degrees.

Back

Right Angle

Front

A __________ angle measures exactly 180 degrees.

Back

Straight Angle

Front

Two lines that never meet are called __________ lines.

Back

Parallel Lines

Front

The point where two lines meet is called a __________.

Back

Vertex

Front

A __________ is a straight path that extends infinitely in both directions.

Back

Line