Question

Three angles of a quadrilateral are in the ratio 9: 10: 11, and the fourth angle is 60°. Find the three angles.

Answer 1

Step-by-step explanation:

9x+10x+11x+60=180

30x+60=180

30x=120

x=4

9x=36

10x=40

11x=44 OK friend this is urs answer