如图,过等边三角形ABC内点PD平行AB交BC于D,PE平行BC交AC于E,PF平行AC交AB于F,当点P在△ABC内移动时,PE+PD+PF的值是否会发生变化?请说明理由.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/08 07:38:03
![如图,过等边三角形ABC内点PD平行AB交BC于D,PE平行BC交AC于E,PF平行AC交AB于F,当点P在△ABC内移动时,PE+PD+PF的值是否会发生变化?请说明理由.](/uploads/image/z/2392570-10-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E8%BF%87%E7%AD%89%E8%BE%B9%E4%B8%89%E8%A7%92%E5%BD%A2ABC%E5%86%85%E7%82%B9PD%E5%B9%B3%E8%A1%8CAB%E4%BA%A4BC%E4%BA%8ED%2CPE%E5%B9%B3%E8%A1%8CBC%E4%BA%A4AC%E4%BA%8EE%2CPF%E5%B9%B3%E8%A1%8CAC%E4%BA%A4AB%E4%BA%8EF%2C%E5%BD%93%E7%82%B9P%E5%9C%A8%E2%96%B3ABC%E5%86%85%E7%A7%BB%E5%8A%A8%E6%97%B6%2CPE%2BPD%2BPF%E7%9A%84%E5%80%BC%E6%98%AF%E5%90%A6%E4%BC%9A%E5%8F%91%E7%94%9F%E5%8F%98%E5%8C%96%3F%E8%AF%B7%E8%AF%B4%E6%98%8E%E7%90%86%E7%94%B1.)
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