Question

9. The angles of a quadrilateral are in the ratio 3: 4: 4:7. One of the angle of
the quadrilateral is​

Answer 1

Answer:

3x+4x+4x+7x=180

18x = 180

x = 10

angles are:

30

40

40

70

Step-by-step explanation:

Answer 2

Step-by-step explanation:

3x+4x+4x+7x=360

18x=360

X=20

thus angles are 54,72,72,136