17 pieces of ribbon can be created if i calculated correctly.
Answer:

Step-by-step explanation:
-Given the cone's height is 9.1m and the Circumference is 12.1
#We use the circumference formula to calculate the radius:

-The volume of the cone using the radius above can then be calculated as follows:

Hence, the cone's volume is 
Gotta move that b to the side ya dig