Answer:
1620
Step-by-step explanation:
180(n)-360=interior angle sum
180(11)-360=1620
n = number of sides
You also can divide it by 11 to know each interior angle.
1620/11=~147.27
Sorry I can’t answer this right now but I’ll will answer later
Step-by-step explanation:
I think we cannot find the sum because it will continue on so the series is multiply by 4
I think D but don’t take my word for it