如图,在直角梯形ABCD中,AD//BC,角BAD=角ABC=90°,AD=DC=10,tanC=4/3,点P是线段段BC上的一个动点(点P不能于点B重合),DE垂直于AP于点M,交射线AB于点E,设BP=x,BE=y(1)求AB和BC的长度(2)当点E在线段AB上时,
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![如图,在直角梯形ABCD中,AD//BC,角BAD=角ABC=90°,AD=DC=10,tanC=4/3,点P是线段段BC上的一个动点(点P不能于点B重合),DE垂直于AP于点M,交射线AB于点E,设BP=x,BE=y(1)求AB和BC的长度(2)当点E在线段AB上时,](/uploads/image/z/1690510-22-0.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8%E7%9B%B4%E8%A7%92%E6%A2%AF%E5%BD%A2ABCD%E4%B8%AD%2CAD%2F%2FBC%2C%E8%A7%92BAD%3D%E8%A7%92ABC%3D90%C2%B0%2CAD%3DDC%3D10%2CtanC%3D4%2F3%2C%E7%82%B9P%E6%98%AF%E7%BA%BF%E6%AE%B5%E6%AE%B5BC%E4%B8%8A%E7%9A%84%E4%B8%80%E4%B8%AA%E5%8A%A8%E7%82%B9%EF%BC%88%E7%82%B9P%E4%B8%8D%E8%83%BD%E4%BA%8E%E7%82%B9B%E9%87%8D%E5%90%88%EF%BC%89%2CDE%E5%9E%82%E7%9B%B4%E4%BA%8EAP%E4%BA%8E%E7%82%B9M%2C%E4%BA%A4%E5%B0%84%E7%BA%BFAB%E4%BA%8E%E7%82%B9E%2C%E8%AE%BEBP%3Dx%2CBE%3Dy%EF%BC%881%EF%BC%89%E6%B1%82AB%E5%92%8CBC%E7%9A%84%E9%95%BF%E5%BA%A6%EF%BC%882%EF%BC%89%E5%BD%93%E7%82%B9E%E5%9C%A8%E7%BA%BF%E6%AE%B5AB%E4%B8%8A%E6%97%B6%2C)
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