請計出深藍色部份(相交部份)的面積。
圖片參考：http://imgcld.yimg.com/8/n/HA01076848/o/701104290146613873432120.jpg
數學知識交流---面積
2011-04-30 6:46 am
回答 (5)
2011-05-07 5:04 pm
✔ 最佳答案
圖片參考：http://i212.photobucket.com/albums/cc82/doraemonpaul/yahooknowledge/area/challengingarea9.jpg
參考資料：
my wisdom of maths + formula from http://mathworld.wolfram.com/CircularSegment.html#eqn14 + http://mathworld.wolfram.com/Double-AngleFormulas.html
2011-05-20 12:22 am
不如你開評論試試回答?
2011-05-23 16:06:54 補充：
I can't see ! Blocked .
2011-05-23 16:06:54 補充：
I can't see ! Blocked .
2011-05-19 9:36 pm
依小弟淺見,不是運用積分法便可求得面積嗎?何必如此繁複的思路?
2011-05-22 19:21:02 補充：
http://img846.imageshack.us/img846/4112/100r.png
http://img855.imageshack.us/img855/1423/100ps.gif
http://img90.imageshack.us/img90/4470/101m.gif
2011-05-23 20:29:00 補充：
http://img600.imageshack.us/g/101o.gif/
2011-05-22 19:21:02 補充：
http://img846.imageshack.us/img846/4112/100r.png
http://img855.imageshack.us/img855/1423/100ps.gif
http://img90.imageshack.us/img90/4470/101m.gif
2011-05-23 20:29:00 補充：
http://img600.imageshack.us/g/101o.gif/
2011-05-09 6:35 am
回答者太厲害了！！！
2011-04-30 3:50 pm
兩環相距多少？
是不是dim到圓心？
是不是dim到圓心？
收錄日期: 2021-04-13 17:58:19
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20110429000051KK01466