| [ QuizWit ] in KIDS 글 쓴 이(By): iLUSiON (띠띠빤쮸) 날 짜 (Date): 2005년 12월 9일 금요일 오전 01시 46분 43초 제 목(Title): Re: [Q] 삼각형 내에 무게중심이 있습니다. i need to give a seminar in 30min but came to kids to dull my nurve. always got excited before giving a seminar. you know jal-jan-chuk in public ^^ let me try this problem. ratio of areas will not change under affine transform ^^ so simplify the problem into equalatiral (?) triangle first. then things become trivial. the hexagon consists of 6 little triangles. The little triangle is 1/6 of 6 triangles partitioned from the orignal tirangle with area 1. hence 6 * 1/6 * 1/6 = 1/6 ^^ give me a prize ^^ i want ppe-ppe-ro. please send ppe-ppe-ro to my department address. hehe.... iLUSiON - le plus grand de tous http://cyworld.nate.com/ilusion |