如图,在等腰三角形ABCD中,AD//BC.O是CD的中点,以O为中心,OC长为半径作圆,交BC边于点E,过E作EH垂直AB,垂足为H.已知圆O与AB边相切,切点为F.(1)求证:OE//AB(2)求证:EH=1/2AB(3)求证:BH/BE=1/4,求BH/CE的值
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![如图,在等腰三角形ABCD中,AD//BC.O是CD的中点,以O为中心,OC长为半径作圆,交BC边于点E,过E作EH垂直AB,垂足为H.已知圆O与AB边相切,切点为F.(1)求证:OE//AB(2)求证:EH=1/2AB(3)求证:BH/BE=1/4,求BH/CE的值](/uploads/image/z/13572383-23-3.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%AD%89%E8%85%B0%E4%B8%89%E8%A7%92%E5%BD%A2ABCD%E4%B8%AD%2CAD%2F%2FBC.O%E6%98%AFCD%E7%9A%84%E4%B8%AD%E7%82%B9%2C%E4%BB%A5O%E4%B8%BA%E4%B8%AD%E5%BF%83%2COC%E9%95%BF%E4%B8%BA%E5%8D%8A%E5%BE%84%E4%BD%9C%E5%9C%86%2C%E4%BA%A4BC%E8%BE%B9%E4%BA%8E%E7%82%B9E%2C%E8%BF%87E%E4%BD%9CEH%E5%9E%82%E7%9B%B4AB%2C%E5%9E%82%E8%B6%B3%E4%B8%BAH.%E5%B7%B2%E7%9F%A5%E5%9C%86O%E4%B8%8EAB%E8%BE%B9%E7%9B%B8%E5%88%87%2C%E5%88%87%E7%82%B9%E4%B8%BAF.%281%29%E6%B1%82%E8%AF%81%3AOE%2F%2FAB%282%29%E6%B1%82%E8%AF%81%3AEH%3D1%2F2AB%283%29%E6%B1%82%E8%AF%81%3ABH%2FBE%3D1%2F4%2C%E6%B1%82BH%2FCE%E7%9A%84%E5%80%BC)
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