Answer:
3060
Step-by-step explanation:
To solve this use this formula,
[tex]({n - 2}) \times 180[/tex]
where n is the number of sides of the shape.
There is 19 sides so
[tex](19 - 2) \times 180[/tex]
[tex]17 \times 180 = 3060[/tex]
3060 is the answer
