Exploring Parallel Lines and Angles

This video tutorial covers the concepts of parallel lines, transversals, and the angles formed by their intersections. It explains the properties of parallel lines, introduces transversals, and discusses alternate interior and exterior angles. The tutorial also includes examples and questions to reinforce understanding, emphasizing the congruence of alternate angles.

How often do parallel lines intersect?

• Always

• Sometimes

• Only when they are perpendicular

• Never

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CCSS.HSG.CO.A.1

Which color line represents a transversal?

• Red

• Green

• Blue

• Yellow

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CCSS.8.G.A.5

Which color illustrates the interior of the parallel lines?

• Blue

• Green

• Yellow

• Red

Tags

CCSS.8.G.A.5

What does it mean to alternate?

• To move in a circle

• To stay on the same side

• To switch back and forth

• To stay still

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CCSS.RI.8.4

CCSS.RI.9-10.4

CCSS.RL.6.4

CCSS.RL.7.4

CCSS.RL.9-10.4

Which angles are on the outside of the parallel lines?

• Interior angles

• Alternate interior angles

• Alternate exterior angles

• Exterior angles

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CCSS.8.G.A.5

What are angles on opposite sides of the transversal called?

• Corresponding angles

• Vertical angles

• Alternate angles

• Adjacent angles

Tags

CCSS.8.G.A.5

Which set of angles are alternate interior angles?

• Angle 1 and Angle 8

• Angle 4 and Angle 5

• Angle 2 and Angle 7

• Angle 3 and Angle 6

Tags

CCSS.8.G.A.5

Which set of angles are alternate exterior angles?

• Angle 4 and Angle 5

• Angle 3 and Angle 6

• Angle 2 and Angle 7

• Angle 1 and Angle 8

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CCSS.8.G.A.5

What makes alternate interior and exterior angles special?

• They are always different sizes

• They are congruent or equal

• They are always right angles

• They are always acute angles

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CCSS.8.G.A.5

What is the term used to describe angles that are the same size?

• Adjacent

• Vertical

• Congruent

• Similar

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CCSS.8.G.A.2