µÚÒ»Õµڶþ½Ú¾ØÐεÄÐÔÖÊÓëÅж¨£¨¶þ£©µÚÒ»Ìâ´ð°¸
¡ÏABC=90¡ã»òAC=BD
µÚÒ»Õµڶþ½Ú¾ØÐεÄÐÔÖÊÓëÅж¨£¨¶þ£©µÚ¶þÌâ´ð°¸
3
µÚÒ»Õµڶþ½Ú¾ØÐεÄÐÔÖÊÓëÅж¨£¨¶þ£©µÚÈýÌâ´ð°¸
µÚÒ»Õµڶþ½Ú¾ØÐεÄÐÔÖÊÓëÅж¨£¨¶þ£©µÚËÄÌâ´ð°¸
¾ØÐÎ
µÚÒ»Õµڶþ½Ú¾ØÐεÄÐÔÖÊÓëÅж¨£¨¶þ£©µÚÎåÌâ´ð°¸
ÂÔ
µÚÒ»Õµڶþ½Ú¾ØÐεÄÐÔÖÊÓëÅж¨£¨¶þ£©µÚÁùÌâ´ð°¸
½â£º£¨1£©Ìí¼Ó£ºEH=FH£¬Ö¤Ã÷ÂÔ
£¨2£©µ±BH=EHʱ£¬ËıßÐÎBFCEÊǾØÐΣ¬ÀíÓÉÂÔ