What flag contains 8 triangles 2 parallelograms 2 trapeziods and a dodecagon?

The flag you're describing is the flag of the United States Virgin Islands. It features a design that includes the letters "V" and "I," representing the Virgin Islands, which are surrounded by elements that can be interpreted as triangles, parallelograms, and trapezoids. The dodecagon refers to the overall shape and arrangement of the design elements on the flag.