In order for the parallelogram to be a
rhombus, x = [?].
(5x + 25)
(12x + 11)

A parallelogram is also a rhombus if the diagonal is a bisector of an angle enclosed by the two adjacent sides of a parallelogram.

In our case it means,

Hope this helps.

the answer is d. (1.2, -4.7) on edgn

hope this !