如图1,在平面直角坐标系中,圆o 1交x轴于A、B ,交y轴正半轴于C,CD平行AB交圆O1于D(1)判断四边形ABCD的形状并证明;(2)如图2,若A(4,0)、B(-3,0),且以OC为直径的半⊙O2于AD相切于E,求点C的坐
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![如图1,在平面直角坐标系中,圆o 1交x轴于A、B ,交y轴正半轴于C,CD平行AB交圆O1于D(1)判断四边形ABCD的形状并证明;(2)如图2,若A(4,0)、B(-3,0),且以OC为直径的半⊙O2于AD相切于E,求点C的坐](/uploads/image/z/8676004-4-4.jpg?t=%E5%A6%82%E5%9B%BE1%2C%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E5%9C%86o+1%E4%BA%A4x%E8%BD%B4%E4%BA%8EA%E3%80%81B+%2C%E4%BA%A4y%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%BA%8EC%2CCD%E5%B9%B3%E8%A1%8CAB%E4%BA%A4%E5%9C%86O1%E4%BA%8ED%EF%BC%881%EF%BC%89%E5%88%A4%E6%96%AD%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%BD%A2%E7%8A%B6%E5%B9%B6%E8%AF%81%E6%98%8E%EF%BC%9B%EF%BC%882%EF%BC%89%E5%A6%82%E5%9B%BE2%2C%E8%8B%A5A%EF%BC%884%2C0%EF%BC%89%E3%80%81B%EF%BC%88-3%2C0%EF%BC%89%2C%E4%B8%94%E4%BB%A5OC%E4%B8%BA%E7%9B%B4%E5%BE%84%E7%9A%84%E5%8D%8A%E2%8A%99O2%E4%BA%8EAD%E7%9B%B8%E5%88%87%E4%BA%8EE%2C%E6%B1%82%E7%82%B9C%E7%9A%84%E5%9D%90)
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