F.3 Maths~about Deductive Geometry

2008-02-16 12:13 am
http://i269.photobucket.com/albums/jj53/iamaguynoti/square.jpg
In the figure, the diagonals of the square ABCD meet at O, E is the mid-point of BC, DE and AC meet at F. If AD=8, find OF.

One of the equal sides of an isosceles triangle is 17, its base is 16. Find the radius of its circumscribed circle.

回答 (1)

2008-02-16 12:59 am
參考: My Maths Knowledge


收錄日期: 2021-04-15 14:56:34
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080215000051KK02190

檢視 Wayback Machine 備份