http://upload.lsforum.net/users/public/h47987circlex107.jpg
find x and y (with steps please!)
F4 Maths (circle)
2012-08-27 5:53 am
回答 (1)
2012-08-27 7:11 am
✔ 最佳答案
圖片參考：http://i1096.photobucket.com/albums/g340/pingshek/2012-08-26.png
http://i1096.photobucket.com/albums/g340/pingshek/2012-08-26.png
2012-08-26 23:13:46 補充：
(c + x) + (b + y) + 30° = 180° (∠ sum of Δ)
參考: miraco, miraco
收錄日期: 2021-04-30 17:02:21
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120826000051KK00684