Circle I is the inscribed circle of triangle ABC, D, E, F are 3 tangent points, if angle DEF = 52.0, then the degree of angle A is ()
Choices:
A:68°
B:52°
C:76°
D:38°
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: Circle I is the inscribed circle of triangle ABC, D, E, F are 3 tangent points, if angle DEF = 52.0, then the degree of angle A is ()
Choices:
A:68°
B:52°
C:76°
D:38°
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: Circle I is the inscribed circle of triangle ABC, D, E, F are 3 tangent points, if angle DEF = 52.0, then the degree of angle A is ()
Choices:
A:68°
B:52°
C:76°
D:38°