Math vocabulary angles
Two Angles are ____________ when they add up to 180 degrees.
Supplementary angles
An _________ Angle is less than 90°
Acute angle
____________ Angles are a pair of angles on the outer side of each of those two lines but on opposite sides of the transversal.
Alternate exterior angles
_________________ Angles are a pair of angles on the inner side of each of those two lines but on opposite sides of the transversal.
Alternate interior angles
Two angles are _______________ when they add up to 90 degrees
Complementary angles
The angles in matching corners of parallel lines crossed by a transversal are called _____________ Angles
Corresponding angles
An __________ Angle is more than 90° but less than 180°
Obtuse angle
Lines are ------ if they are always the same distance apart (called "equidistant"), and will never meet.
Parallel lines
A _________ angle is an internal angle which is equal to 90°
Right angle
The pairs of angles on one side of the transversal but inside the two lines are called ____________________ Angles.
Same side interior angles
A line that crosses at least two other lines.
Transversal
___________ Angles are the angles opposite each other when two lines cross; they share the same Vertex (corner point)
Vertical angles