1、两条直线相交,其中一个角的对顶角有___个,一个角的邻补角有___个.2、如图1,直线AB和CD相交于点O,∠AOC与∠BOD的和为220°,则∠BOC的度数为_____.3、如图2,直线AB和CD相交于点O,已知∠AOC=70°,且∠
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![1、两条直线相交,其中一个角的对顶角有___个,一个角的邻补角有___个.2、如图1,直线AB和CD相交于点O,∠AOC与∠BOD的和为220°,则∠BOC的度数为_____.3、如图2,直线AB和CD相交于点O,已知∠AOC=70°,且∠](/uploads/image/z/2396386-10-6.jpg?t=1%E3%80%81%E4%B8%A4%E6%9D%A1%E7%9B%B4%E7%BA%BF%E7%9B%B8%E4%BA%A4%2C%E5%85%B6%E4%B8%AD%E4%B8%80%E4%B8%AA%E8%A7%92%E7%9A%84%E5%AF%B9%E9%A1%B6%E8%A7%92%E6%9C%89___%E4%B8%AA%2C%E4%B8%80%E4%B8%AA%E8%A7%92%E7%9A%84%E9%82%BB%E8%A1%A5%E8%A7%92%E6%9C%89___%E4%B8%AA.2%E3%80%81%E5%A6%82%E5%9B%BE1%2C%E7%9B%B4%E7%BA%BFAB%E5%92%8CCD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E2%88%A0AOC%E4%B8%8E%E2%88%A0BOD%E7%9A%84%E5%92%8C%E4%B8%BA220%C2%B0%2C%E5%88%99%E2%88%A0BOC%E7%9A%84%E5%BA%A6%E6%95%B0%E4%B8%BA_____.3%E3%80%81%E5%A6%82%E5%9B%BE2%2C%E7%9B%B4%E7%BA%BFAB%E5%92%8CCD%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9O%2C%E5%B7%B2%E7%9F%A5%E2%88%A0AOC%3D70%C2%B0%2C%E4%B8%94%E2%88%A0)
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