The angles of a quadrilateral are in the ratio 3:4:5:6.the second biggest angle of the quadrilateral is equal to the biggest angle of a triangle . If the other two angles of the triangle are in the ratio 3:1. What is the smallest angle of the triangle
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3@+4@+5@+6@=360
18@=360
@=20
biggest angle of triangle=120
3$+1$=60
4$=60
$)=15
18@=360
@=20
biggest angle of triangle=120
3$+1$=60
4$=60
$)=15
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