hkcee 2003 maths mc 17
回答 (2)
2008-03-21 8:28 pm
✔ 最佳答案
For similar traingle, (L1/L2)^2 = (A1/A2)so AC/AE = 2 / 3
AC/CE = 2 / 1
As CE = EG
so AC = CG
we get AC/AG = 1/2
area of AC / area of AG = 1/4
area of AG = 4*16 = 64
so area of DFGE = 64-20-16 = 28cm^2
參考: myself
2008-03-21 8:27 pm
2003 MC 17 :
http://www.takwing.idv.hk/studyroom/ce_maths/index.html
會考數學MC詳解 :
http://www.takwing.idv.hk/studyroom/ce_maths/index.html
依個網主按年份逐題逐題解答, 真係好比心機, 你只要按年份再按題號, 便看到MC中文詳解, 希望幫到你la, 加油.
圖片參考：http://hk.yimg.com/i/icon/16/1.gif
http://www.takwing.idv.hk/studyroom/ce_maths/index.html
會考數學MC詳解 :
http://www.takwing.idv.hk/studyroom/ce_maths/index.html
依個網主按年份逐題逐題解答, 真係好比心機, 你只要按年份再按題號, 便看到MC中文詳解, 希望幫到你la, 加油.
圖片參考：http://hk.yimg.com/i/icon/16/1.gif
收錄日期: 2021-04-16 11:56:57
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080321000051KK00789