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प्रश्न
If angles of quadrilateral are in the ratio 4 : 5 : 3 : 6 ; find each angle of the quadrilateral.
योग
उत्तर
Let the angles of the quadrilateral be 4x, 5x, 3x and 6x.
∴ 4x + 5x + 3x + 6x = 360°
18x = 360°
x = `(360°)/18 = 20°`
∴ First angle = 4x = 4 × 20° = 180°
Second angle = 5x = 5 × 20° = 100°
Third angle = 3x = 3 × 20° = 60°
Fourth angle = 6x = 6 × 20° = 120°
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