Angle Relationships and Cross-Sections

• Parallel

• Not Parallel

What is the relationship of the angles

• Alternate Interior

• Alternate Exterior

• Corresponding

• Vertical

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

• supplementary angles.

• obtuse angles.

• complementary angles

• a straight line.

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.

Which of the following is NOT an example of supplementary angles?

• Cannot be determined

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

What angle pair is pictured?

• Alternate Interior Angles

• Supplementary Angles

• Vertical Angles

• Corresponding Angles

What type of angles are these?

• Adjacent Angles

• Linear Pair

• Complementary Angles

• Supplementary Angles

• Vertical Angles