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    Davneet Singh's image
    Davneet Singh

    Hi Tanish

    Do you mean why did we do a + b + c + d = 360?

     

    In the question, we assumed angles as a, b, c, d

    So,

    Sum of angles of quadrilateral = 360

    a + b + c + d = 360 


    Written on Oct. 9, 2017, 12:25 p.m.