Place a ruler and a triangular plate as shown in the figure, angle 1 = 40.0, then the degree of angle 2 is ()
Choices:
A:130°
B:140°
C:120°
D:125°
Please directly answer the question and provide the correct option letter, e.g., A, B, C, D.
Question: Place a ruler and a triangular plate as shown in the figure, angle 1 = 40.0, then the degree of angle 2 is ()
Choices:
A:130°
B:140°
C:120°
D:125°
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: Place a ruler and a triangular plate as shown in the figure, angle 1 = 40.0, then the degree of angle 2 is ()
Choices:
A:130°
B:140°
C:120°
D:125°