四道初中几何题,请详细说明解法,(图)1.如图,按规定,一块模版中AB,CD的延长线相交成85度角,应交点不在板上,不便测量,工人师傅连接AC,测得∠BAC=32°,∠DCA=65°,此时AB,CD的延长线相交所成的角
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![四道初中几何题,请详细说明解法,(图)1.如图,按规定,一块模版中AB,CD的延长线相交成85度角,应交点不在板上,不便测量,工人师傅连接AC,测得∠BAC=32°,∠DCA=65°,此时AB,CD的延长线相交所成的角](/uploads/image/z/3133988-44-8.jpg?t=%E5%9B%9B%E9%81%93%E5%88%9D%E4%B8%AD%E5%87%A0%E4%BD%95%E9%A2%98%2C%E8%AF%B7%E8%AF%A6%E7%BB%86%E8%AF%B4%E6%98%8E%E8%A7%A3%E6%B3%95%2C%EF%BC%88%E5%9B%BE%EF%BC%891.%E5%A6%82%E5%9B%BE%2C%E6%8C%89%E8%A7%84%E5%AE%9A%2C%E4%B8%80%E5%9D%97%E6%A8%A1%E7%89%88%E4%B8%ADAB%2CCD%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E7%9B%B8%E4%BA%A4%E6%88%9085%E5%BA%A6%E8%A7%92%2C%E5%BA%94%E4%BA%A4%E7%82%B9%E4%B8%8D%E5%9C%A8%E6%9D%BF%E4%B8%8A%2C%E4%B8%8D%E4%BE%BF%E6%B5%8B%E9%87%8F%2C%E5%B7%A5%E4%BA%BA%E5%B8%88%E5%82%85%E8%BF%9E%E6%8E%A5AC%2C%E6%B5%8B%E5%BE%97%E2%88%A0BAC%3D32%C2%B0%2C%E2%88%A0DCA%3D65%C2%B0%2C%E6%AD%A4%E6%97%B6AB%2CCD%E7%9A%84%E5%BB%B6%E9%95%BF%E7%BA%BF%E7%9B%B8%E4%BA%A4%E6%89%80%E6%88%90%E7%9A%84%E8%A7%92)
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