圓的問題 1

2007-05-19 8:38 pm
http://i150.photobucket.com/albums/s87/mllokloks/mATHS.jpg

下圖中 AOEB , COD 和 CEF 是直綫 , 並且 弧AD : 弧FB = 2 : 1 .
若 角DCF = 48 deg , 求 角BCF

最好有圖解釋埋 , 謝

回答 (2)

2007-05-19 9:12 pm
✔ 最佳答案
http://i91.photobucket.com/albums/k319/aa9091/mATHS.jpg

半中半英的.. =0=.. 因為丸耐冇計唔係太記得dthm. 係唔係咁寫..

不過你明就ok啦...

2007-05-19 13:14:12 補充:
=0=! 打錯字.. ka 仲要條link 係呢條sin o岩http://i91.photobucket.com/albums/k319/aa9091/00000011111.jpg
2007-05-19 8:43 pm
i don't know,sorry.
參考: me


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