请教大侠们一道路几何题?谢谢
L1 and L2 are two parallel lines, B,E and A, D, C, G, F are dots on L1 and L2, respecitvely. If BE= ED, the area of triangle ABC and DEF are 12 and 16, separately, then, Col A: length of DC, Col: 4.4Y5Q#U2w/C,yo如题, 谢谢啦 G点为什么没用上?题对吗? [quote]原帖由 [i]wang86894864[/i] 于 2009-11-5 11:12 发表 [url=http://bbs.taisha.org/redirect.php?goto=findpost&pid=15900792&ptid=1378605][img]http://bbs.taisha.org/images/common/back.gif[/img][/url]