Use a sector paper sheet with a central angle of 120.0 and a radius of 6.0 to roll into a conical bottomless paper cap (as shown in the picture), then the bottom perimeter of the paper cap is ()
Choices:
A:2πcm
B:3πcm
C:4πcm
D:5πcm
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: Use a sector paper sheet with a central angle of 120.0 and a radius of 6.0 to roll into a conical bottomless paper cap (as shown in the picture), then the bottom perimeter of the paper cap is ()
Choices:
A:2πcm
B:3πcm
C:4πcm
D:5πcm
Please first conduct reasoning, and then answer the question and provide the correct option letter, e.g., A, B, C, D, at the end.
Question: Use a sector paper sheet with a central angle of 120.0 and a radius of 6.0 to roll into a conical bottomless paper cap (as shown in the picture), then the bottom perimeter of the paper cap is ()
Choices:
A:2πcm
B:3πcm
C:4πcm
D:5πcm