Question

Which reasons could be used to prove that a parallelogram is a rhombus

Answer 1

GOOGLE TIME- *cough *cough*

A rhombus is a special case of a parallelogram, because it fulfills the requirements of a parallelogram: a quadrilateral with two pairs of parallel sides. It goes above and beyond that to also have four equal-length sides, but it is still a type of parallelogram.

Answer 2

Answer:

If the  two  sides of a parallelogram are congruent, then it is a rhombus the. If either diagonal of a parallelogram bisects two angles, then it's a rhombus . So basically it needs to be congruent or the sides of a parallelogram bisects two angles, for it to be a rhombus .