You can't . . . it's not true.If you are given that a quadrilateral has one pair of sides which are congruent
and one pair of angles which are congruent,
how do you prove that the quadrilateral is a parallelogram?
Code:7 A o * * * * * * o B * 30° * * * * * * * * o C * 30° * * * 7 D o
We can have: . ,
. . but is not a parallelogram.