Side Angle Relationships

x = _________

• 146° - supplementary angles.

• 34° - alternating exterior angles.

• 146° - same-side interior angles.

• 34° - supplementary angles.

x = ________

• 77° - alternating exterior angles.

• 103° - alternating interior angles.

• 77° - vertical angles.

• 103° - vertical angles.

• Cannot be determined

Which angles are vertical angles?

Which angle is a vertical angle to with \angle7 ?

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

• Parallel

• Not Parallel

What is the relationship of the Angles

• Alternate Interior

• Alternate Exterior

• Corresponding

• Same Side Interior

Two angles whose sum equals 180° are called...

• supplementary angles.

• obtuse angles.

• complementary angles

• a straight line.