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Which reason completes the proof in the picture

A.alternate interior angles converse
B.opposite sides of a parallelogram are congruent
C.opposite angles of a parallelogram are congruent
D.alternate interior angles theorem

Which reason completes the proof in the picture A.alternate interior angles converse-example-1
User Kellen
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1 Answer

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C. Opposite angles of a parallelogram are congruent.

Angle 1 is congruent to angle 2 because they are opposite angles of the larger parallelogram. Angle 2 is congruent to angle 3 because they are opposite angles of the smaller parallelogram.
User Carey Halton
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