已知直角梯形ABCD中,∠BAD=∠CDA=90,CD=2AB,过A,B,D三点的圆O分别交BC,CD于E、M已知直角梯形ABCD中,∠BAD=∠CDA=90度,CD=2AB,过A,B,D三点的圆O分别交BC,CD于E、M (1)求证:DM=CM (2) 若CE=2,CM=根号6,求AE的长,
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![已知直角梯形ABCD中,∠BAD=∠CDA=90,CD=2AB,过A,B,D三点的圆O分别交BC,CD于E、M已知直角梯形ABCD中,∠BAD=∠CDA=90度,CD=2AB,过A,B,D三点的圆O分别交BC,CD于E、M (1)求证:DM=CM (2) 若CE=2,CM=根号6,求AE的长,](/uploads/image/z/3783546-18-6.jpg?t=%E5%B7%B2%E7%9F%A5%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2C%E2%88%A0BAD%3D%E2%88%A0CDA%3D90%2CCD%3D2AB%2C%E8%BF%87A%2CB%2CD%E4%B8%89%E7%82%B9%E7%9A%84%E5%9C%86O%E5%88%86%E5%88%AB%E4%BA%A4BC%2CCD%E4%BA%8EE%E3%80%81M%E5%B7%B2%E7%9F%A5%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2C%E2%88%A0BAD%3D%E2%88%A0CDA%3D90%E5%BA%A6%2CCD%3D2AB%2C%E8%BF%87A%2CB%2CD%E4%B8%89%E7%82%B9%E7%9A%84%E5%9C%86O%E5%88%86%E5%88%AB%E4%BA%A4BC%2CCD%E4%BA%8EE%E3%80%81M++%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9ADM%3DCM++%282%29+%E8%8B%A5CE%3D2%2CCM%3D%E6%A0%B9%E5%8F%B76%2C%E6%B1%82AE%E7%9A%84%E9%95%BF%2C)
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