sk8folifeluis1121 sk8folifeluis1121 10-10-2020 Mathematics contestada Which biconditional statement below is true? Angles are congruent if and only if they are vertical angles. Angles are congruent if and only if they are vertical angles. Angles are supplementary if and only if their sum is 180°. Angles are supplementary if and , only if their sum is 180°. A number is a whole number if and only if it is a natural number. A number is a whole number if and only if it is a natural number. Points are collinear if and only if they are coplanar. Points are collinear if and only if they are coplanar.
