Question

how can two adjacent angles of a parallelogram be congruent???​

Answer 1

1.opposite side are congruent(AB=DC).

2. opposite angles are congruent (A=D).

3. consecutive angles are supplementary (A+D=180°).

4. if one angle is right all angle are right .

5. the diagonals of parallelogram bisect each other .

6. is diagonal of a parallelogram separate two congruent triangles .