Um, what operations? You didn't list any...
The ans shld be b blah blah
Answer:
Volume = PI * radius^2 * height / 3
Volume = PI * 9^2 * 6 / 3
Volume = 3.14 * 162
Volume = 508.68
Source: http://www.1728.org/volcone.htm
Step-by-step explanation:
Total length of all ribbons = 12 * 3 = 36 inch
Then, number of ribbons = 36/4 = 9
In short, Your Answer would be: 9 sections
Hope this helps!