如图,正五边形ABCDE的的对角线AC与BE相交于点K(1)四边形CDEK是菱形吗?请说明理由(2)三角形AKB与三角形EAB相似吗?请说明理由(3)EK是BE与BK的比例中项吗?请说明理由
来源:学生作业帮助网 编辑:作业帮 时间:2024/09/03 11:55:46
![如图,正五边形ABCDE的的对角线AC与BE相交于点K(1)四边形CDEK是菱形吗?请说明理由(2)三角形AKB与三角形EAB相似吗?请说明理由(3)EK是BE与BK的比例中项吗?请说明理由](/uploads/image/z/9954299-11-9.jpg?t=%E5%A6%82%E5%9B%BE%2C%E6%AD%A3%E4%BA%94%E8%BE%B9%E5%BD%A2ABCDE%E7%9A%84%E7%9A%84%E5%AF%B9%E8%A7%92%E7%BA%BFAC%E4%B8%8EBE%E7%9B%B8%E4%BA%A4%E4%BA%8E%E7%82%B9K%281%29%E5%9B%9B%E8%BE%B9%E5%BD%A2CDEK%E6%98%AF%E8%8F%B1%E5%BD%A2%E5%90%97%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%EF%BC%882%EF%BC%89%E4%B8%89%E8%A7%92%E5%BD%A2AKB%E4%B8%8E%E4%B8%89%E8%A7%92%E5%BD%A2EAB%E7%9B%B8%E4%BC%BC%E5%90%97%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1%EF%BC%883%EF%BC%89EK%E6%98%AFBE%E4%B8%8EBK%E7%9A%84%E6%AF%94%E4%BE%8B%E4%B8%AD%E9%A1%B9%E5%90%97%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1)
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