Angles
An angle that measures less than 90 degrees.
What is an acute angle?
An angle with a measure of exactly 90 degrees.
What is a right angle?
An angle that has a measurement greater than 90 degrees but less than 180 degrees.
What is an obtuse angle?
Line that never intersect.
What is a parallel line?
Lines that intersect and form 4 angles.
What are vertical angles?