香港寵物小精靈村落 論壇
標題:
救我
[打印本頁]
作者:
orb
時間:
5/2/2005 02:29 PM
標題:
救我
若A是FC中間
B是AE中間
△BCD = 6cm square
口FCED= ?
作者:
998877
時間:
5/2/2005 05:30 PM
還有没有提示
作者:
orb
時間:
5/2/2005 05:47 PM
標題:
↑
Not IQ question
作者:
998877
時間:
5/2/2005 06:25 PM
Originally posted by
eeEric
at 2005-2-5 05:47 PM:
Not IQ question
我想問還有没有資料
作者:
抹茶可樂
時間:
5/2/2005 08:59 PM
Join AD
Extend CBG such that G is a point at DE
Join AG as well
ACEG is a rectangle and G is a mid-point at DE
Then AFD~GEC(SAS)
AD//CG
Area of ABC = Area of BCD
Area of 2ABC = Area of ACE
Area of 4ACE = Area of FCED
Area of ABC = 48 cm^2
歡迎光臨 香港寵物小精靈村落 論壇 (https://proxy.archiver.hkpnve.pokebeacon.com/)
Powered by Discuz! X3.2