如图,
是⊙O的内接三角形,过C点作CD⊥AB于点D,延长CD交⊙O 于点E,连结AE;过O作OM⊥BC于点M.已知AD=4,ED=3,则OM等于______
![](https://staticzujuan.xkw.com/quesimg/Upload/formula/15c0dbe3c080c4c4636c64803e5c1f76.png)
![](https://img.xkw.com/dksih/QBM/2013/3/12/1573612164128768/1573612223545344/STEM/5052e9e1171345c38e5510e55e3345ea.png?resizew=128)
更新时间:2016-12-05 08:25:10
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【知识点】 圆
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【推荐1】如图,在扇形BOC中,∠BOC=60°,OD平分∠BOC交
于点D,点E为半径OB上一动点.若OB=3,则阴影部分周长的最小值为 ______ .
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【推荐2】如图,点A、B、C在
上,
与
交于点D,
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的度数为_________ .
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