Geometry write true bioconditional, multiple choice question help

Geometry write true bioconditional, multiple choice question help

Test the statement below to see if it is reversible.  If so, write it as a true biconditional.

“A quadrilateral has exactly four sides.”


a. The statement is not reversible.

b. A figure is a quadrilateral if and only if the figure has exactly four sides.

c. A figure is a quadrilateral if the figure has exactly four sides.

d. If a figure has exactly four sides, then it is a quadrilateral.