Which sentence accurately completes the proof?

Triangles BCA and DAC are congruent according to the Angle-Angle-Side (AAS) Theorem.

Triangles BCA and DAC are congruent according to the Angle-Side-Angle (ASA) Theorem.

Angles ABC and CDA are congruent according to a property of parallelograms (opposite angles congruent).

Angles BAD and ADC, as well as angles DCB and CBA, are supplementary by the Same-Side Interior Angles Theorem.

Question

Which sentence accurately completes the proof?

 Triangles BCA and DAC are congruent according to the Angle-Angle-Side (AAS) Theorem.

 Triangles BCA and DAC are congruent according to the Angle-Side-Angle (ASA) Theorem.

 Angles ABC and CDA are congruent according to a property of parallelograms (opposite angles congruent).

 Angles BAD and ADC, as well as angles DCB and CBA, are supplementary by the Same-Side Interior Angles Theorem.

anonymous · Answer

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anonymous · Answer

Angles ABC and CDA are congruent according to a property of parallelograms (opposite angles congruent).