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如图,是半径为1的圆弧,△AOC为等边三角形,D是上的一动点,则四边形AODC的...
如图,
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102452020420721/SYS201311031024520204207005_ST/0.png)
是半径为1的圆弧,△AOC为等边三角形,D是
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102452020420721/SYS201311031024520204207005_ST/1.png)
上的一动点,则四边形AODC的面积s的取值范围是( )
![manfen5.com 满分网](http://img.manfen5.com/res/CZSX/web/STSource/20131103102452020420721/SYS201311031024520204207005_ST/images2.png)
A.
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≤s≤
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B.
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<s≤
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C.
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≤s≤
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D.
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<s<
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考点分析:
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