If PQRS is a parallelogram with two adjacent congruent sides, then _____________________.

A. it must be a rhombus
B. it might be a rhombus
C. it cannot be a rhombus

Respuesta :

A.) it must be a rhombus
The correct answer among the choices listed is option A. If PQRS is a parallelogram with two adjacent congruent sides, then it must be a rhombus. A rhombus is a parallelogram characterized by having all sides congruent. Therefore, the adjacent sides must be congruent as well.