Asked by Lily
                The coordinates of the endpoints of ab and cd are A(x1, y1), B(x2, y2), C(x3, y3), and D(x4, y4). Which condition proves that ab//cd ?
            
            
        Answers
                    Answered by
            oobleck
            
    If by // you mean parallel ║ then the slopes must be the same:
(y2-y1)/(x2-x1) = (y4-y3)/(x4-x3)
    
(y2-y1)/(x2-x1) = (y4-y3)/(x4-x3)
                                                    There are no AI answers yet. The ability to request AI answers is coming soon!
                                            
                Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.