初三数学已知梯形ABCD,AD平行BC,AB⊥BC,AD=1,AB=2,BC=3.已知梯形ABCD,AD∥BC只要2,3题啊只要2,已知梯形ABCD,AD∥BC,AB⊥BC,AD=1,AB=2,BC=3.(1)如图1,P为AB边上的一点,以PD、PC为边作□PCQD,请问对角线PQ,DC的
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![初三数学已知梯形ABCD,AD平行BC,AB⊥BC,AD=1,AB=2,BC=3.已知梯形ABCD,AD∥BC只要2,3题啊只要2,已知梯形ABCD,AD∥BC,AB⊥BC,AD=1,AB=2,BC=3.(1)如图1,P为AB边上的一点,以PD、PC为边作□PCQD,请问对角线PQ,DC的](/uploads/image/z/6868688-32-8.jpg?t=%E5%88%9D%E4%B8%89%E6%95%B0%E5%AD%A6%E5%B7%B2%E7%9F%A5%E6%A2%AF%E5%BD%A2ABCD%2CAD%E5%B9%B3%E8%A1%8CBC%2CAB%E2%8A%A5BC%2CAD%3D1%2CAB%3D2%2CBC%3D3.%E5%B7%B2%E7%9F%A5%E6%A2%AF%E5%BD%A2ABCD%2CAD%E2%88%A5BC%E5%8F%AA%E8%A6%812%2C3%E9%A2%98%E5%95%8A%E5%8F%AA%E8%A6%812%2C%E5%B7%B2%E7%9F%A5%E6%A2%AF%E5%BD%A2ABCD%2CAD%E2%88%A5BC%2CAB%E2%8A%A5BC%2CAD%EF%BC%9D1%2CAB%EF%BC%9D2%2CBC%EF%BC%9D3%EF%BC%8E%281%29%E5%A6%82%E5%9B%BE1%2CP%E4%B8%BAAB%E8%BE%B9%E4%B8%8A%E7%9A%84%E4%B8%80%E7%82%B9%2C%E4%BB%A5PD%E3%80%81PC%E4%B8%BA%E8%BE%B9%E4%BD%9C%E2%96%A1PCQD%2C%E8%AF%B7%E9%97%AE%E5%AF%B9%E8%A7%92%E7%BA%BFPQ%2CDC%E7%9A%84)
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