to complete the proof of the following theorem If a

Last updated: 5/26/2023

to complete the proof of the following theorem If a quadrilateral is a parallelogram then its opposite angles are congruent By definition a parallelogram is a quadrilateral in which both pairs of opposite sides are parallel Use this definition in your proof B C A Statement D Given ABCD is a parallelogram L Prove A ZC 1 ABCD is a parallelogram 2 AB 3 AD II 4 ZA and 5 ZA and 6 B 4 7 2C and are supp angles 8 ZA ZC are supp angles are supp angles Reason Given Definition of a Parallelogram Definition of a Parallelogram Reason Reason W Ifs are supp to the same they are Reason Reason