Geometry

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Finding Alternate Interior Angles

GEOM-461GO4

Which pairs of angles are alternate interior angles?

A

$\angle 1$ and $\angle 2$

B

$\angle 2$ and $\angle 9$

C

$\angle 5$ and $\angle 8$

D

$\angle 10$ and $\angle 6$

E

$\angle 10$ and $\angle 11$

F

$\angle 11$ and $\angle 4$