Transversals
Corresponding Angles (Definition)
-Angles in the same place on different lines -they are congruent
Same Side Exterior (Definition)
2 exterior angles on the same side of the transversal (sum is 180)
transversal
A line that intersects two or more lines.
Corresponding Angles, must have a picture
Angles 2 and 6
Alternate Exterior Angles, Must have a picture
Angles 2 and 7
Alternate Interior Angles, Must have a picture
Angles 3 and 6
Obtuse angles
Angles greater than 90 degrees
Supplementary Angles (Definition)
Angles that add to 180 degrees. (straight line)
Supplementary Angles
Angles that add up to 180 degrees
Acute angles
Angles that are less than 90 degrees
Alternate Interior angles and alternate exterior angles are...
Congruent
Vertical Angles
Two angles across or vertical from each other whether it is on parallel lines or not: the two angles are congruent which means they are equal
interior angles
angles on the inside of parallel lines cut by a transversal
exterior angles
angles on the outside of parallel lines cut by a transversal
Congruent Angles (Definition)
angles with the same measure
parallel lines
coplanar lines that do not intersect
Alternate Exterior Angles (Definition)
exterior angles, non-adjacent, and on opposite sides of the transversal and congruent (equal)
Alternate Interior Angles (Definition)
interior angles, non-adjacent and on opposite sides of the transversal and congruent (equal)
Complementary Angles (Definition)
two angles whose measures have a sum of 90 degrees (corner)
