• Answer of this question

    Question asked on teachoo
    Ajay Sahu's image
    Ajay Sahu
    I think above question is wrong because first three points   (1,2)   (-5,6)   (7,-4) are not collinear points show how can area of this quadrilateral be zero... please clear my my doubt

    Written on Oct. 9, 2018, 7:12 a.m.