25 would be your final answer.
Answer:
3/12 0.146 0.279 5/7
Step-by-step explanation:
3/12 = 0.25
5/7 = 0.71428571428
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.
B is your answer if you need me to explain why just ask me :) have a good day