如图∠AOB-∠BOC=10°,∠BOC:∠COD:∠DOA=1:2:3,求∠COD的度数http://wenwen.soso.com/z/q169277852.htm?w=%C8%E7%CD%BC%A1%CFAOB-%A1%CFBOC%3D10%A1%E3%2C%A1%CFBOC%3A%A1%CFCOD%3A%A1%CFDOA%3D1%3A2%3A3%2C%C7%F3%A1%CFCOD&spi=1&sr=4&w8=%E5%A6%82%E5%9B
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![如图∠AOB-∠BOC=10°,∠BOC:∠COD:∠DOA=1:2:3,求∠COD的度数http://wenwen.soso.com/z/q169277852.htm?w=%C8%E7%CD%BC%A1%CFAOB-%A1%CFBOC%3D10%A1%E3%2C%A1%CFBOC%3A%A1%CFCOD%3A%A1%CFDOA%3D1%3A2%3A3%2C%C7%F3%A1%CFCOD&spi=1&sr=4&w8=%E5%A6%82%E5%9B](/uploads/image/z/7199049-57-9.jpg?t=%E5%A6%82%E5%9B%BE%E2%88%A0AOB-%E2%88%A0BOC%3D10%C2%B0%2C%E2%88%A0BOC%3A%E2%88%A0COD%3A%E2%88%A0DOA%3D1%3A2%3A3%2C%E6%B1%82%E2%88%A0COD%E7%9A%84%E5%BA%A6%E6%95%B0http%3A%2F%2Fwenwen.soso.com%2Fz%2Fq169277852.htm%3Fw%3D%25C8%25E7%25CD%25BC%25A1%25CFAOB-%25A1%25CFBOC%253D10%25A1%25E3%252C%25A1%25CFBOC%253A%25A1%25CFCOD%253A%25A1%25CFDOA%253D1%253A2%253A3%252C%25C7%25F3%25A1%25CFCOD%26spi%3D1%26sr%3D4%26w8%3D%25E5%25A6%2582%25E5%259B)
如图∠AOB-∠BOC=10°,∠BOC:∠COD:∠DOA=1:2:3,求∠COD的度数http://wenwen.soso.com/z/q169277852.htm?w=%C8%E7%CD%BC%A1%CFAOB-%A1%CFBOC%3D10%A1%E3%2C%A1%CFBOC%3A%A1%CFCOD%3A%A1%CFDOA%3D1%3A2%3A3%2C%C7%F3%A1%CFCOD&spi=1&sr=4&w8=%E5%A6%82%E5%9B
如图∠AOB-∠BOC=10°,∠BOC:∠COD:∠DOA=1:2:3,求∠COD的度数
http://wenwen.soso.com/z/q169277852.htm?w=%C8%E7%CD%BC%A1%CFAOB-%A1%CFBOC%3D10%A1%E3%2C%A1%CFBOC%3A%A1%CFCOD%3A%A1%CFDOA%3D1%3A2%3A3%2C%C7%F3%A1%CFCOD&spi=1&sr=4&w8=%E5%A6%82%E5%9B%BE%E2%88%A0AOB-%E2%88%A0BOC%3D10%C2%B0%2C%E2%88%A0BOC%3A%E2%88%A0COD%3A%E2%88%A0DOA%3D1%3A2%3A3%2C%E6%B1%82%E2%88%A0COD&qf=10&rn=32 这上面的图片
如图∠AOB-∠BOC=10°,∠BOC:∠COD:∠DOA=1:2:3,求∠COD的度数http://wenwen.soso.com/z/q169277852.htm?w=%C8%E7%CD%BC%A1%CFAOB-%A1%CFBOC%3D10%A1%E3%2C%A1%CFBOC%3A%A1%CFCOD%3A%A1%CFDOA%3D1%3A2%3A3%2C%C7%F3%A1%CFCOD&spi=1&sr=4&w8=%E5%A6%82%E5%9B
设BOC为X,则AOB为X+10,COD为2X,DOA为3X.X+10+X+2X+3X=360.所以COD为100度