Points, Lines and Angles

Front

An angle that forms a square corner is called?

Back

A right angle.

Front

What type of angle is 180 degrees?

Back

A straight angle.

Front

What do we call a point that has no length or width?

Back

A point.

Front

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

Back

A line.

Front

What do we call a part of a line that has two endpoints?

Back

A line segment.

Front

An angle that is less than 90 degrees is called?

Back

An acute angle.

Front

An angle that is more than 90 degrees but less than 180 degrees is called?

Back

An obtuse angle.

Front

What is the term for two lines that never meet?

Back

Parallel lines.

Front

What do we call the point where two lines intersect?

Back

The vertex.

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary angles.