Maths(Circle)

🎓 學業台教學

2010-04-04 2:54 am

圖片參考：http://imgcld.yimg.com/8/n/HA00297013/o/701004030129013873373080.jpg

How can I find its radius?(with steps)

THX!!

更新1:

Shaded areas! Thanks!

更新2:

Why do you times 2 at first? May you explain to me? Thanks!

回答 (1)

2010-04-04 3:34 am

✔ 最佳答案

圖片參考：http://j.imagehost.org/0183/ScreenHunter_17_Apr_03_19_33.gif

http://j.imagehost.org/0183/ScreenHunter_17_Apr_03_19_33.gif

2010-04-03 20:29:17 補充：
http://j.imagehost.org/0086/ScreenHunter_21_Apr_03_20_27.gif

👍 0 👎 0

收錄日期: 2021-04-23 20:39:54
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20100403000051KK01290

檢視 Wayback Machine 備份