在等腰RT△ABC中,O是斜边AC的中点,P是斜边AC上的动点,D为射线BC上一点,且PB=PD,过D点作AC边上的高DE(1)求证:PE=BO;(2)设AC=2,AP=x,四边形PBDE面积为y,求y与x之间的函数关系式,并写出自变量x的
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![在等腰RT△ABC中,O是斜边AC的中点,P是斜边AC上的动点,D为射线BC上一点,且PB=PD,过D点作AC边上的高DE(1)求证:PE=BO;(2)设AC=2,AP=x,四边形PBDE面积为y,求y与x之间的函数关系式,并写出自变量x的](/uploads/image/z/8855707-67-7.jpg?t=%E5%9C%A8%E7%AD%89%E8%85%B0RT%E2%96%B3ABC%E4%B8%AD%2CO%E6%98%AF%E6%96%9C%E8%BE%B9AC%E7%9A%84%E4%B8%AD%E7%82%B9%2CP%E6%98%AF%E6%96%9C%E8%BE%B9AC%E4%B8%8A%E7%9A%84%E5%8A%A8%E7%82%B9%2CD%E4%B8%BA%E5%B0%84%E7%BA%BFBC%E4%B8%8A%E4%B8%80%E7%82%B9%2C%E4%B8%94PB%3DPD%2C%E8%BF%87D%E7%82%B9%E4%BD%9CAC%E8%BE%B9%E4%B8%8A%E7%9A%84%E9%AB%98DE%EF%BC%881%EF%BC%89%E6%B1%82%E8%AF%81%EF%BC%9APE%3DBO%EF%BC%9B%EF%BC%882%EF%BC%89%E8%AE%BEAC%3D2%2CAP%3Dx%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2PBDE%E9%9D%A2%E7%A7%AF%E4%B8%BAy%2C%E6%B1%82y%E4%B8%8Ex%E4%B9%8B%E9%97%B4%E7%9A%84%E5%87%BD%E6%95%B0%E5%85%B3%E7%B3%BB%E5%BC%8F%2C%E5%B9%B6%E5%86%99%E5%87%BA%E8%87%AA%E5%8F%98%E9%87%8Fx%E7%9A%84)
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