Final answer:
The hypothesis of the given conditional statement is "a rhombus is a quadrilateral" and the conclusion is "it has 4 congruent sides".
Step-by-step explanation:
The given conditional statement is: "If a rhombus is a quadrilateral, then it has 4 congruent sides."
The hypothesis is: "a rhombus is a quadrilateral".
The conclusion is: "it has 4 congruent sides".