Answer: Option 'C' is correct.
Step-by-step explanation:
Since we have given that
Polygon X is similar to polygon.
And Polygon X is three times the size of polygon Y.
So, it becomes,

Hence, perimeter of polygon Y is 27.
Therefore, Option 'C' is correct.
Answer:
V = 

Step-by-step explanation:
Volume of a cone is:

Substitute values given:


V = 
V = 

Answer:
The answer to your question is: y = -54 / 11
Step-by-step explanation:
Data
A (3, 0)
B (12, -9)
r = 6/5
Formula
y = 
y = 
y = 
y = -54/11
I think it’s 180 I don’t really know why but I hope
This helps