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Quadrilateral

Angle of a qu...

Question

Angle of a quadrilateral are in the ratio 3:4:4:7 Find all the angles of a quadrilateral.

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Solution

$3 x + 4 x + 4 x + 7 x = 360$ (sum of all the angles of a quadrilateral)
$18 x = 360$
$x = 20$
Therefore each angle of the quadrilateral is of $60, 80, 80, 140.$

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