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如图,已知⊙O的半径是R.C,D是直径AB同侧圆周上的两点,弧AC的度数为96°...
如图,已知⊙O的半径是R.C,D是直径AB同侧圆周上的两点,弧AC的度数为96°,弧BD的度数为36°,动点P在AB上,则PC+PD的最小值为( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100955969365017/SYS201311031009559693650025_ST/images0.png)
A.2R
B.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100955969365017/SYS201311031009559693650025_ST/0.png)
R
C.
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103100955969365017/SYS201311031009559693650025_ST/1.png)
R
D.R
考点分析:
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