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Collinear Points

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Points A,B and C are collinear.Point B is the mid-point of the line segment AC.Point D is not collinear with the other points.DA=DB and DB=BC=10. What is the length of DC?

In Fig.18A,B,C are collinear point and /_DBA=/_EBA .(i) Name two linear pairs (ii) Name two pairs of supplementary angles.

Knowledge Check

  • Which of the following points are collinear ?

    A
    `(2a,0),(3a,0),(a,2a)`
    B
    `(3a,0),(0,3b),(a,2b)`
    C
    `(3a,b),(a,2b),(-a,b)`
    D
    `(a,-6),(-a,3b),(-2a,-2b)`

  • Which of the following points are collinear ?

    A
    (-2,3),(3,-1) and (-7,5)
    B
    (-1,1) ,(5,7) and (8,10)
    C
    (-3,-1),(1,-2) and (6,2)
    D
    (0,1) ,(3,0) and(-1,-3)

    • Similar Questions

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    Take three collinear point A,B and C on a page of your note book.Join AB,BC and CA is the figure a triangle? If not,why?

    Collinearity of three points

    The locus of a point collinear with two given points (2,4) and (6,8) .

    The number of triangles that can be formed by n points in a plane where no three points are collinear is ______ and when p of the given points are collinear is ____ .

    Write 'T' for true and 'F' for false in case of each of the following statements If points A,B,C are collinear and points C,D,E are collinear then the points A,B,C,D,E are collinear.

    Area OF Triangle and Polygon and Condition OF Collinearity OF 3 points

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