Find the area of the circle with a diameter 6.2 cm. Round to the nearest tenth.
Choices:
A:19.5
B:30.2
C:60.4
D:120.8
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: Find the area of the circle with a diameter 6.2 cm. Round to the nearest tenth.
Choices:
A:19.5
B:30.2
C:60.4
D:120.8
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: Find the area of the circle with a diameter 6.2 cm. Round to the nearest tenth.
Choices:
A:19.5
B:30.2
C:60.4
D:120.8