Answer:
Option A is correct.
Step-by-step explanation:
We are given with a parallelogram whose diagonals are perpendicular to each other.
We need to find if it is a rhombus or not.
We know that parallelogram, Opposite sides of parallelogram are parallel and diagonals bisect each other.
we also know that if diagonals of the parallelogram are perpendicular to each other than it make a rhombus as opposites of rhombus are parallel and diagonals are perpendicular bisectors.
therefore, Option A is correct.
