http://img18.imageshack.us/img18/451/img5259c.jpg
http://img18.imageshack.us/img18/6193/img5260y.jpg
更新1:
How can you find '3' in the first question?
f.1 coordinates 2題
2009-04-19 1:50 am
Find it area. Here are the web site .
http://img18.imageshack.us/img18/451/img5259c.jpg
http://img18.imageshack.us/img18/6193/img5260y.jpg
http://img18.imageshack.us/img18/451/img5259c.jpg
http://img18.imageshack.us/img18/6193/img5260y.jpg
回答 (1)
2009-04-19 6:41 am
✔ 最佳答案
圖片參考：http://g.imagehost.org/0728/vertices1.gif
=1/2(0-6+25-10+10+6+35)
=1/2(60)
=30 square units
(d)
圖片參考：http://g.imagehost.org/0237/vertices2.gif
=1/2(6+28+56-15+35+15+8+24)
=1/2(157)
=78.5square units
收錄日期: 2021-04-23 20:38:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20090418000051KK01545