AC是圆o的直径,弦BD垂直平分AO,E为垂足1求四边形ABCD的各个内角的度数2找出圆中读书30°的所有的角3若B为2厘米,求弓形BAD的高AE(弧BAD为优弧,BD再园内上方部位大哥大姐们,9点半前一定啊,我
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![AC是圆o的直径,弦BD垂直平分AO,E为垂足1求四边形ABCD的各个内角的度数2找出圆中读书30°的所有的角3若B为2厘米,求弓形BAD的高AE(弧BAD为优弧,BD再园内上方部位大哥大姐们,9点半前一定啊,我](/uploads/image/z/8859678-6-8.jpg?t=AC%E6%98%AF%E5%9C%86o%E7%9A%84%E7%9B%B4%E5%BE%84%2C%E5%BC%A6BD%E5%9E%82%E7%9B%B4%E5%B9%B3%E5%88%86AO%2CE%E4%B8%BA%E5%9E%82%E8%B6%B31%E6%B1%82%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%90%84%E4%B8%AA%E5%86%85%E8%A7%92%E7%9A%84%E5%BA%A6%E6%95%B02%E6%89%BE%E5%87%BA%E5%9C%86%E4%B8%AD%E8%AF%BB%E4%B9%A630%C2%B0%E7%9A%84%E6%89%80%E6%9C%89%E7%9A%84%E8%A7%923%E8%8B%A5B%E4%B8%BA2%E5%8E%98%E7%B1%B3%2C%E6%B1%82%E5%BC%93%E5%BD%A2BAD%E7%9A%84%E9%AB%98AE%EF%BC%88%E5%BC%A7BAD%E4%B8%BA%E4%BC%98%E5%BC%A7%2CBD%E5%86%8D%E5%9B%AD%E5%86%85%E4%B8%8A%E6%96%B9%E9%83%A8%E4%BD%8D%E5%A4%A7%E5%93%A5%E5%A4%A7%E5%A7%90%E4%BB%AC%EF%BC%8C9%E7%82%B9%E5%8D%8A%E5%89%8D%E4%B8%80%E5%AE%9A%E5%95%8A%EF%BC%8C%E6%88%91)
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