将一副三角板的直角顶点重合并摆放在桌面上,若∠AOD=135°,则∠BOC多少度?

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∠BOC=45°
延长DO至M,∠橡高AOM=180°-∠AOD=45°，∠悉喊AOC=90°-∠AOM=45°，∠BOC与∠AOC互余，梁陆尺则∠BOC=45

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