6.已知:如图,延长圆O的直径AB到点C,过点C做圆O的切线CE与圆O相切于点C,AE垂直于EC交圆O于点F,垂足为点E,连接AD.(1)若CD=2,CB=1,求圆O直径AB的长(2)求证:AD^2=AC*AF
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/17 10:04:50
![6.已知:如图,延长圆O的直径AB到点C,过点C做圆O的切线CE与圆O相切于点C,AE垂直于EC交圆O于点F,垂足为点E,连接AD.(1)若CD=2,CB=1,求圆O直径AB的长(2)求证:AD^2=AC*AF](/uploads/image/z/196429-13-9.jpg?t=6.%E5%B7%B2%E7%9F%A5%EF%BC%9A%E5%A6%82%E5%9B%BE%2C%E5%BB%B6%E9%95%BF%E5%9C%86O%E7%9A%84%E7%9B%B4%E5%BE%84AB%E5%88%B0%E7%82%B9C%2C%E8%BF%87%E7%82%B9C%E5%81%9A%E5%9C%86O%E7%9A%84%E5%88%87%E7%BA%BFCE%E4%B8%8E%E5%9C%86O%E7%9B%B8%E5%88%87%E4%BA%8E%E7%82%B9C%2CAE%E5%9E%82%E7%9B%B4%E4%BA%8EEC%E4%BA%A4%E5%9C%86O%E4%BA%8E%E7%82%B9F%2C%E5%9E%82%E8%B6%B3%E4%B8%BA%E7%82%B9E%2C%E8%BF%9E%E6%8E%A5AD.%EF%BC%881%EF%BC%89%E8%8B%A5CD%3D2%2CCB%3D1%2C%E6%B1%82%E5%9C%86O%E7%9B%B4%E5%BE%84AB%E7%9A%84%E9%95%BF%EF%BC%882%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9AAD%5E2%3DAC%2AAF)
xTmoV+VN۰1J~|H$$~&
+&-1MY!.YFHu
~
ͧ:/iVӽ{Sիw2FwL 77:#8toқ+ZXuv``vIR93}<#۴OR'c==E9REt^5pnA r 7\
'JʗR&It}ws0U~(j\y,sW4]ʕjyiyF嵊~*,].Wtm|%
sSC*n1b|"dX
%A]x=j$yc4(,y]HhcLM]/Ņ\S.L>/DJ\P1Љk%rիOwgluٵ&9/]ugkx\&r gU5Q[2ZZy0켙>:R@78FCE#u-EyQ
X?bEV侠9
|rS}9
`E`ov}YFpRٲhAʦh#`:/