4.6a Points, Lines, Line Segments, Rays, Angles

Front

What is an angle that forms a square corner called?

Back

A right angle.

Front

What do we call two lines that meet at a 90-degree angle?

Back

Perpendicular lines.

Front

What is the name of a straight path that extends infinitely in both directions?

Back

A line.

Front

What is a part of a line that has two endpoints?

Back

A line segment.

Front

What is a part of a line that has one endpoint and extends infinitely in one direction?

Back

A ray.

Front

What do we call lines that never intersect and are always the same distance apart?

Back

Parallel lines.

Front

What is the measure of a right angle?

Back

90 degrees.

Front

What type of angle is less than 90 degrees?

Back

An acute angle.

Front

What type of angle is greater than 90 degrees but less than 180 degrees?

Back

An obtuse angle.

Front

What is the term for the point where two lines meet?

Back

Vertex.