更新1:
己知弦長和弦高求半徑~~~
數學題~~幫幫手
回答 (2)
2012-03-28 2:58 pm
✔ 最佳答案
Let length of chord = aChord 'height' = distance between center of circle and mid - point of chord = b.
By Pythagoras theorem,
Radius of circle = r^2 = (a/2)^2 + b^2.
2012-03-28 06:59:41 補充：
Correction : Radius of circle = r = sqrt [(a/2)^2 + b^2]
2012-03-29 3:39 am
可唔可以計一次比我睇!!
例如: a=64 b=12
小時唔讀書t.t 唔該你!!
例如: a=64 b=12
小時唔讀書t.t 唔該你!!
收錄日期: 2021-04-25 22:39:26
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20120327000051KK00915