Transversals

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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)


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