Angles in Parallel Lines cut by a Transversal

Two lines in the same plane that never intersect are

• parallel

• perpendicular

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.GPE.B.5

A line that intersects two or more lines at different points is a

• transversal

• bisector

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

What are corresponding angles?

• Angles whose sum measures 180 degrees
• Angles whose sum measures 90 degrees
• Two angles in the same position when parallel lines are cut by a transversal
• The angles opposite of each other when two lines cross.

Tags

CCSS.HSG.CO.C.9

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

Tags

CCSS.HSG.CO.C.9

What are alternate exterior 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

Tags

CCSS.HSG.CO.A.1

CCSS.HSG.CO.C.9

What are vertical angles?

• The angles inside the triangle that are not adjacent to the exterior angle
• The angles opposite of each other when two lines cross
• The angles inside of a shape
• Two angles whose sum measures  90 degrees

Tags

CCSS.HSG.CO.C.9

What are supplementary angles?

• Two angles whose sum measures 180 degrees
• 
  Two angles whose sum measures  90 degrees
• 
  Two angles in the same position when parallel lines are cut by a transversal
• The angles inside the triangle that are not adjacent to the exterior angle

Tags

CCSS.7.G.B.5

What special angle relationship do angles 2 and 3 have?

• Vertical Angles

• Alternate Interior angles

• Alternate Exterior Angles

• Consecutive Interior Angles

Tags

CCSS.HSG.CO.C.9

What special angle relationship do angles 1 and 5 have?

• Vertical Angles

• Alternate Interior angles

• Alternate Exterior Angles

• Corresponding Angles

Tags

CCSS.HSG.CO.C.9

What special angle relationship do angles 4 and 5 have?

• Vertical Angles

• Alternate Interior angles

• Alternate Exterior Angles

• Corresponding Angles

Tags

CCSS.HSG.CO.C.9