Which biconditional is NOT a good definition? (1 point) Responses An animal is a horse if and only if it has four legs. An animal is a horse if and only if it has four legs. Two angles are supplementary if and only if their angle measures add up to 180°. Two angles are supplementary if and only if their angle measures add up to 180°. A ray is a bisector of an angle if and only if it splits the angle into two congruent angles. A ray is a bisector of an angle if and only if it splits the angle into two congruent angles. A polygon is a triangle if and only if it has three sides.

Answer 1

The biconditional "An animal is a horse if and only if it has four legs" is NOT a good definition.