https://bgk-photo.cdn.bcebos.com/doc/pic/item/b812c8fcc3cec3fd60b0bab2d188d43f8694276e.jpg如图，Rt△ABC中，AC=BC，∠ACB=90°，CF交AB于E，BD⊥CF，AF⊥CF，DF=5，AF=3，则CF=______．
https://bgk-photo.cdn.bcebos.com/doc/pic/item/b812c8fcc3cec3fd60b0bab2d188d43f8694276e.jpg如图，Rt△ABC中，AC=BC，∠ACB=90°，CF交AB于E，BD⊥CF，AF⊥CF，DF=5，AF=3，则CF=______．
发布时间：2025-09-15 02:18:03
