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如图,在\(3 \times 3\)的方格图中,每个小方格的边长都为1,则\(\angle 1\)与\(\angle 2\)的关系是\((\) \()\)
A.\(\angle 1 = \angle 2\)
B.\(\angle 2 = 2\angle 1\)
C.\(\angle 1 + \angle 2 = 90^\circ \)
D.\(\angle 1 + \angle 2 = 180^\circ \)
参考答案:D
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