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20 September, 19:07

ABCD is a quadilateral. Calculate the value of x.

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  1. 20 September, 21:31
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    Since ABCD is a quadrilateral,

    We know that sum of the interior angles of any quadrilateral = 360

    =>A+B+C+D=360

    =>2x+90+x + 3x=360

    =>6x+90=360

    =>6x=360-90

    =>6x=270

    =>x = 270/6

    =>x = 45
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