如图,以线段AB为直径的圆O交线段AC于点E,M是弧AE的中点,OM交AC于点D,角BOE=60°,cosC=1/2,BC=2根号3求弧ME的长度
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![如图,以线段AB为直径的圆O交线段AC于点E,M是弧AE的中点,OM交AC于点D,角BOE=60°,cosC=1/2,BC=2根号3求弧ME的长度](/uploads/image/z/14396078-38-8.jpg?t=%E5%A6%82%E5%9B%BE%2C%E4%BB%A5%E7%BA%BF%E6%AE%B5AB%E4%B8%BA%E7%9B%B4%E5%BE%84%E7%9A%84%E5%9C%86O%E4%BA%A4%E7%BA%BF%E6%AE%B5AC%E4%BA%8E%E7%82%B9E%2CM%E6%98%AF%E5%BC%A7AE%E7%9A%84%E4%B8%AD%E7%82%B9%2COM%E4%BA%A4AC%E4%BA%8E%E7%82%B9D%2C%E8%A7%92BOE%3D60%C2%B0%2CcosC%3D1%2F2%2CBC%3D2%E6%A0%B9%E5%8F%B73%E6%B1%82%E5%BC%A7ME%E7%9A%84%E9%95%BF%E5%BA%A6)
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