Question

the angles of quadiretral are in ratio 3:5:9:13 find all the angel of thw quadrilateral

Answer 1

Let the angles be 3x,5x,9x,13x
sum of all the angles of a quadrilateral is 360 degree..
so,3x+5x+9x+13x=360
30x=360
x=12
so the angles are:
3×12=36 ;5×12=60 ;9×12=108 ;13×12=156..
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