Three angles of a quadrilateral are in the ratio 1:2:3. The sum of the least and the greatest of these angles is 200°. Find all the four angles of the quadrilateral.

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  1. x + 2x + 3x + y = 360
    y + 6x = 360

    x + 3x = 200
    x = 50
    y + 300 = 360
    y = 60

    50, 100, 150, 60

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  2. x+3x=200
    x=50 deg
    360=sum of three + fourth
    360=x+2x+3x + fourth
    fourth= ..... degrees

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