Respuesta :
Answer:
The definition by Stuart is valid
Step-by-step explanation:
Each set of opposite side of a rhombus is congruent, this indicates that the quadrilateral is a parallelogram. Hence, the definition by Stuart that, a rhombus as a quadrilateral with 4 congruent sides is valid
Answer:
It is valid because all rhombuses fit this definition, and figures that are not rhombuses do not fit this definition.
Step-by-step explanation: