Z7ee9nMinglkeelenche Z7ee9nMinglkeelenche 10-04-2017 Mathematics contestada In order for any polygon to be regular, which of the following statements must be true? A)The interior angles are congruent to their exterior angles. B)All the diagonals bisect each other. C)Opposite pairs of sides are parallel. D)All interior angles and sides are congruent.