Asked by C
                line segment ab is the diameter of circle O whose center has coordinates (6,8) . what are the coordinates of point b if the coordinates of point a are (4,2)
            
            
        Answers
                    Answered by
            MathMate
            
    If centre has (6,8) and one end of the diameter has (4,2), add Δx and Δy to the centre to get the other end of the diameter, namely,
(Δx,Δy) = (6-4, 8-2) = (2,6)
So the other end of the diameter would be (6+2,8+6)=(8,14).
Check: the mid-point of the diameter should be the centre:
((4+8)/2,(2+14)/2)=(6,8) = centre of circle.
    
(Δx,Δy) = (6-4, 8-2) = (2,6)
So the other end of the diameter would be (6+2,8+6)=(8,14).
Check: the mid-point of the diameter should be the centre:
((4+8)/2,(2+14)/2)=(6,8) = centre of circle.
                    Answered by
            david
            
    (1,3)
    
                    Answered by
            david
            
    Answer= (1,3)
    
                    Answered by
            Elijah
            
    can you guys give me some answers
    
                    Answered by
            Elijah
            
    c'mon I don't see any answers y'all?
    
                    Answered by
            Phoebe
            
    the answer is (8,14)
    
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