Given two circles, draw the tangents from the center of each circle to the sides of the other.
Then the line segments AB and CD are of equal length.
How to prove AB = CD ?
[問題]Line segments
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[問題]Line segments
由 E.T 於 星期五 五月 23, 2003 9:13 pm
Given two circles, draw the tangents from the center of each circle to the sides of the other.
Then the line segments AB and CD are of equal length.
How to prove AB = CD ?
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E.T - 文章: 1486
- 註冊時間: 2003-03-29
- 來自: 香港
第1頁(共1頁)