# Alternate Interior Angles

## Angles on opposite sides of a transversal, but inside the lines it intersects.

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Alternate Interior Angles

by CK-12 //basic
Use alternate interior angles to determine angle congruency and the presence of parallel lines.
MEMORY METER
This indicates how strong in your memory this concept is
1
• Video

## Alternate Interior Angles Principles - Basic

by CK-12 //basic
This video provides the student with a walkthrough on alternate interior angles.
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Alternate Interior Angles Examples - Basic

by CK-12 //basic
This video provides the student with a walkthrough of one or more examples from the concept "Alternate Interior Angles".
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Proof: Alternate Interior Angles Are Congruent

by CK-12 //basic
Take a look at this proof that shows that alternate interior angles are congruent!
MEMORY METER
This indicates how strong in your memory this concept is
0
• Video

## Proof: Alternate Interior Angles Converse

by CK-12 //basic
Take a look at this proof that shows the alternate interior angles converse.
MEMORY METER
This indicates how strong in your memory this concept is
0