A B \perp D C and G H \perp F E. A C = 4.4, G H = 3.15, and G E = 6.3. If \triangle A C D \sim \triangle G E F, find A B.
Choices:
A:2.2
B:3.6
C:4.4
D:6.3
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: A B \perp D C and G H \perp F E. A C = 4.4, G H = 3.15, and G E = 6.3. If \triangle A C D \sim \triangle G E F, find A B.
Choices:
A:2.2
B:3.6
C:4.4
D:6.3
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: A B \perp D C and G H \perp F E. A C = 4.4, G H = 3.15, and G E = 6.3. If \triangle A C D \sim \triangle G E F, find A B.
Choices:
A:2.2
B:3.6
C:4.4
D:6.3