Choose the best definition of a rhombus.

Responses
A A rhombus is a parallelogram with 4 congruent sides.A rhombus is a parallelogram with 4 congruent sides.
B A rhombus is a parallelogram with exactly 2 right angles.A rhombus is a parallelogram with exactly 2 right angles.
C A rhombus is a parallelogram with exactly 2 congruent angles.A rhombus is a parallelogram with exactly 2 congruent angles.
D A rhombus is a parallelogram with 4 right angles.

A A rhombus is a parallelogram with 4 congruent sides.