數學知識交流題目-梯形面積問題

2011-02-23 4:04 am
有一梯形的四邊長分別為2cm, 3cm, 4cm, 5cm,求其面積。

回答 (2)

2011-02-23 5:50 am
✔ 最佳答案
http://img51.imageshack.us/img51/9885/72796297.png

圖片參考:http://img51.imageshack.us/img51/9885/72796297.png


2011-02-22 22:59:25 補充:
更正,第6行
因b>t,因此(t,b,q,p)只可能是...
另尾二行:
=>h=(4/3)√5

2011-02-26 23:29:19 補充:
Reload the image:
http://i1090.photobucket.com/albums/i376/Nelson_Yu/13.jpg
2011-02-23 6:41 am
The answer of 自由自在 is extremely professional and the diagram is very beautiful.


收錄日期: 2021-04-13 17:50:17
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