Points, Lines and Angles

Front

What are perpendicular lines?

Back

Perpendicular lines are lines that intersect to form right angles (90 degrees).

Front

What are parallel lines?

Back

Parallel lines are lines that will never intersect, no matter how far they are extended.

Front

What is a right angle?

Back

A right angle is an angle that measures exactly 90 degrees, forming a square corner.

Front

What are points in geometry?

Back

Points are specific locations in space that have no size or dimension, often represented as dots.

Front

What is a line?

Back

A line is straight and extends in both directions forever without end.

Front

What is a line segment?

Back

A line segment is a part of a line that has two endpoints.

Front

What is a ray?

Back

A ray is a part of a line that starts at one point and extends infinitely in one direction.

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Front

What is a straight angle?

Back

A straight angle is an angle that measures exactly 180 degrees.