Grade 12th pass9 grade maths
1. The angles of quadrilateral are in the ratio 3 :5 : 9 : 13.
Find all the angles of the quadrilateral.
1. The angles of quadrilateral are in the ratio 3 :5 : 9 : 13.
Find all the angles of the quadrilateral.
1 Answer
Pawan Prajapati
Let the angles be 3x, 5.x, 9.x and 13%.
Then 3x + 5% + 9.x + 13.x = 360°
[Sum of angles of a quadrilateral is 360°.) 30x = 360° => % = 12°
.. Angles are 36°, 60°, 108° and 156°.
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