已知如图rt三角形abc 角c=90度做一个圆 圆心在ac上(ac是较短的那个直角边)与ab bc所在直线相切 不写作法保留作图痕迹说明理由
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![已知如图rt三角形abc 角c=90度做一个圆 圆心在ac上(ac是较短的那个直角边)与ab bc所在直线相切 不写作法保留作图痕迹说明理由](/uploads/image/z/2391522-42-2.jpg?t=%E5%B7%B2%E7%9F%A5%E5%A6%82%E5%9B%BErt%E4%B8%89%E8%A7%92%E5%BD%A2abc+%E8%A7%92c%3D90%E5%BA%A6%E5%81%9A%E4%B8%80%E4%B8%AA%E5%9C%86+%E5%9C%86%E5%BF%83%E5%9C%A8ac%E4%B8%8A%EF%BC%88ac%E6%98%AF%E8%BE%83%E7%9F%AD%E7%9A%84%E9%82%A3%E4%B8%AA%E7%9B%B4%E8%A7%92%E8%BE%B9%EF%BC%89%E4%B8%8Eab+bc%E6%89%80%E5%9C%A8%E7%9B%B4%E7%BA%BF%E7%9B%B8%E5%88%87+%E4%B8%8D%E5%86%99%E4%BD%9C%E6%B3%95%E4%BF%9D%E7%95%99%E4%BD%9C%E5%9B%BE%E7%97%95%E8%BF%B9%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1)
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