Question

the angles of a quadrilateral are in the ratio 3:5:9:13.find all the angles

Answer 1

let the ratio be 3x, 5x, 9x  and 13x 

as we know that the sum of angles of a quadrilateral is 360

Now,

3x+5x+9x+13x = 360

17x +13x = 360

30x = 360

x  = 360/30

x = 12 

Now,

angles are :-

3*12 = 36


5*12 60

9*12= 108


13*12 = 156 


i hope this will  help you

-by ABHAY

Answer 2

Hope this will help you.