The angles of quadrilateral are in the ratio 3: 5 : 9 : 13 x find all the angles of the quadrilateral???
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Let the common ratio between the angles be x. Therefore, the angles will be 3x, 5x, 9x, and 13x respectively.
As the sum of all interior angles of a quadrilateral is 360°
3x + 5x + 9x + 13x = 360°
30x = 360°
x = 12°
Hence, the angles are
3x = 3 x 12 = 36°
5x = 5 x 12 = 60° 9x = 9 x 12 108°
13x = 13 x 12 = 156°
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