Angle Understanding/Measurement

and are ___.

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these

Which of the angle pairs below is a pair of corresponding angles?

Which of the angle pairs below is a pair of alternate interior angles?

What are complementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect.

What are supplementary angles?

• Angles that add up to 180°

• Angles that add up to 90°

• Angles that are equal to each other

• Angles that are opposite of each other when lines intersect

complementary, supplementary, or neither?

• Complementary

• Supplementary

• Neither

What it the measurement for angle 1?

• 140^o

• 180^o

• 40^o

• 160^o

Find the missing angle.  Find x.

• 20^o

• 70^o

• 160^o

• 180^o

What are alternate interior angles?

• A pair of angles on the outer side of two lines cut by a transversal, but on opposite sides of the transversal

• The angles opposite of each other when two lines cross

• A pair of angles on the inner side of two lines cut by a transversal, but on opposite sides of the transversal

• Two angles in the same position when parallel lines are cut by a transversal

• Alternate Interior Angles

• Alternate Exterior Angles

• Same-side Interior Angles

• Corresponding Angles

• None of these