Practice problem
Identify the alternate interior angles.
∠3\angle\color{orange}{3}∠3 & ∠6\angle\color{orange}{6}∠6
∠2\angle\color{green}{2}∠2 & ∠6\angle\color{orange}{6}∠6
∠1\angle\color{purple}{1}∠1 & ∠5\angle\color{red}{5}∠5
None of the above
Type a concept, like “slope” or “photosynthesis”.