Answer:
I think it's B
Step-by-step explanation:
Sum of interior of any polygon = (n - 2) x 180
so in this case n = 11
<span>the sum of measure of interior angles
= (11 - 2) x 180
= 9 x 180
= 1620
answer
1620</span>
X=1 Y=0
Y-12X+15+3X^2-16X+13-Y=3X^2
-12X+15-16X+13=0
-28X+28=0
X=1
Y=3-16+13=0
