Mathematics, 02.10.2019 02:00, Mathewcastillo88

If two angles are vertical angles, then they are congruent. if two angles are congruent, then their measures are equal. which of the following is valid, based on deductive reasoning? a. if two angles are not congruent, then their measures are not equal. b. if two angles are vertical angles, then their measures are equal. c. if two angles are congruent, then the two angles are vertical. d. if two angles are not vertical angles, then the two angles are not congruent.

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If two angles are vertical angles, then they are congruent. if two angles are congruent, then their...