Question

angles of quadrilateral are in the ratio of 3:9:11:13.find angles of quadrilateral

Answer 1

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Answer 2

Let the angles be 3x,9x,11x,13x.
Angles in a quadilateral is 360
3x+9x+11x+13x=360
36x=360. 3x=30
x=360/36. 9x=90
x=10 11x=110,13x=130
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