ÌâÄ¿ÄÚÈÝ
Èçͼ1£¬ÓÐÒ»ÕÅÁâÐÎֽƬABCD£¬AC=8£¬BD=6¡£
£¨1£©ÇëÑØ×ÅAC¼ôÒ»µ¶£¬°ÑËü·Ö³ÉÁ½²¿·Ö£¬°Ñ¼ô¿ªµÄÁ½²¿·ÖÆ´³ÉÒ»¸öƽÐÐËıßÐΣ¬ÔÚͼ2ÖÐÓÃʵÏß»³öÄãËùÆ´³ÉµÄƽÐÐËıßÐΣ»ÈôÑØ×ÅBD¼ô¿ª£¬ÇëÔÚͼ3ÖÐÓÃʵÏß»³öÆ´³ÉµÄƽÐÐËıßÐΣ»²¢Ö±½Óд³öÕâÁ½¸öƽÐÐËıßÐεÄÖܳ¤¡£
£¨2£©ÑØ×ÅÒ»ÌõÖ±Ïß¼ô¿ª£¬Æ´³ÉÓëÉÏÊöÁ½ÖÖ¶¼²»È«µÈµÄƽÐÐËıßÐΣ¬ÇëÔÚͼ4ÖÐÓÃʵÏß»³öÆ´³ÉµÄƽÐÐËıßÐΡ££¨×¢£ºÍ¼2¡¢3¡¢4ÖÐÐéÏßËùΧ³ÉµÄͼÐξÍÊÇÔÁâÐÎֽƬABCD£»ÉÏÊöËù»µÄƽÐÐËıßÐβ»ÏÞ¶¨ÔÚÔÁâÐÎÇøÓòÄÚ£¬²»ÄÜÓëÔÁâÐÎÈ«µÈ£©¡£
½â£º£¨1£©Èçͼ£º

Öܳ¤Îª26 Öܳ¤Îª22
£¨2£©Èçͼ£º
£¨´ð°¸²»Î¨Ò»£©¡£
Öܳ¤Îª26 Öܳ¤Îª22
£¨2£©Èçͼ£º
Á·Ï°²áϵÁдð°¸
Ïà¹ØÌâÄ¿