Which sentence accurately completes the proof?

Angles ABC and CDA are corresponding parts of congruent triangles, which are congruent (CPCTC).

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

Angles BAC and DCA are congruent by the Same-Side Interior Angles Theorem.

Angles BAC and DCA are congruent by the Alternate Interior Angles Theorem

Question

Which sentence accurately completes the proof? 

 Angles ABC and CDA are corresponding parts of congruent triangles, which are congruent (CPCTC). 

 Angles ABC and CDA are congruent according to a property of parallelograms (opposite angles congruent). 

 Angles BAC and DCA are congruent by the Same-Side Interior Angles Theorem. 

 Angles BAC and DCA are congruent by the Alternate Interior Angles Theorem

anonymous · Answer

@ganeshie8  your a great help =D

anonymous · Answer

@tacoman1222334 did you ever figure out the answer?