如图,在RT△ABC中,∠C=90°,点E在斜边AB上,以AE为直径的圆O与BC相切于点D.若AC=3,AE=4(1)求AD的值(2)求图中阴影部分的面积.
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![如图,在RT△ABC中,∠C=90°,点E在斜边AB上,以AE为直径的圆O与BC相切于点D.若AC=3,AE=4(1)求AD的值(2)求图中阴影部分的面积.](/uploads/image/z/6957934-70-4.jpg?t=%E5%A6%82%E5%9B%BE%2C%E5%9C%A8RT%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0C%3D90%C2%B0%2C%E7%82%B9E%E5%9C%A8%E6%96%9C%E8%BE%B9AB%E4%B8%8A%2C%E4%BB%A5AE%E4%B8%BA%E7%9B%B4%E5%BE%84%E7%9A%84%E5%9C%86O%E4%B8%8EBC%E7%9B%B8%E5%88%87%E4%BA%8E%E7%82%B9D.%E8%8B%A5AC%3D3%2CAE%3D4%EF%BC%881%EF%BC%89%E6%B1%82AD%E7%9A%84%E5%80%BC%EF%BC%882%EF%BC%89%E6%B1%82%E5%9B%BE%E4%B8%AD%E9%98%B4%E5%BD%B1%E9%83%A8%E5%88%86%E7%9A%84%E9%9D%A2%E7%A7%AF.)
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