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QUESTION
Given: m || CB Prove: m∠ABC + m∠BAC + m∠ACB = 180° Which statement justifies that angle XAB is congruent to angle ABC? Corresponding angles of parallel lines cut by a transversal are congruent.
Given: m || CB Prove: m∠ABC + m∠BAC + m∠ACB = 180° Which statement justifies that angle XAB is congruent to angle ABC? Corresponding angles of parallel lines cut by a transversal are congruent. Vertical angles are congruent. Same-side interior angles of parallel lines cut by a transversal are supplementary. Alternate interior angles of parallel lines cut by a transversal are congruent.
