BY Team Aakash Byju's
Parallelogram Each of a parallelogram's diagonals divides it into two congruent triangles. Rhombus In a rhombus, each diagonal divides it into two congruent isosceles triangles.
In a parallelogram, the sum of any two adjacent angles is supplementary.
In a rhombus, the sum of any two adjacent angles is 180 degrees (i.e., supplementary).
The diagonal AC bisects angles A and C, and the diagonal BD bisects angles B and D in Rhombus.