⊙O的弦AB,CD交于点P,PA=4,PB=3,PC=6,AE切⊙O于点A,AE与CD的延长线交于点E,EA=2根号5 求PE的长

问题描述:

⊙O的弦AB,CD交于点P,PA=4,PB=3,PC=6,AE切⊙O于点A,AE与CD的延长线交于点E,EA=2根号5 求PE的长