点A,B,C在抛物线y=1/4x²上,AB‖x轴,且AB=2,四边形ABCD为平行四边形,且∠A=45°1、求平行四边形ABCD的面积2、若抛物线y=1/4x²改为y=1/4x²+bx+c,其余条件不变,求平行四边形ABCD的面积备注:无图
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![点A,B,C在抛物线y=1/4x²上,AB‖x轴,且AB=2,四边形ABCD为平行四边形,且∠A=45°1、求平行四边形ABCD的面积2、若抛物线y=1/4x²改为y=1/4x²+bx+c,其余条件不变,求平行四边形ABCD的面积备注:无图](/uploads/image/z/5398885-37-5.jpg?t=%E7%82%B9A%2CB%2CC%E5%9C%A8%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D1%2F4x%26sup2%3B%E4%B8%8A%2CAB%E2%80%96x%E8%BD%B4%2C%E4%B8%94AB%3D2%2C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E4%B8%BA%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2%2C%E4%B8%94%E2%88%A0A%3D45%C2%B01%E3%80%81%E6%B1%82%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E9%9D%A2%E7%A7%AF2%E3%80%81%E8%8B%A5%E6%8A%9B%E7%89%A9%E7%BA%BFy%3D1%2F4x%26sup2%3B%E6%94%B9%E4%B8%BAy%3D1%2F4x%26sup2%3B%2Bbx%2Bc%2C%E5%85%B6%E4%BD%99%E6%9D%A1%E4%BB%B6%E4%B8%8D%E5%8F%98%2C%E6%B1%82%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E9%9D%A2%E7%A7%AF%E5%A4%87%E6%B3%A8%EF%BC%9A%E6%97%A0%E5%9B%BE)
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