1平行四边形ABCD,AD=12.AC=26,BD=10,求AB长和平行四边形ABCD面积2在平面直角坐标系中,平行四边形ABCD的对角线交点与坐标原点重合,且点A.B坐标为[-3,1],[7,5],求C,D坐标和平行四边形ABCD周长3在平面直角
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![1平行四边形ABCD,AD=12.AC=26,BD=10,求AB长和平行四边形ABCD面积2在平面直角坐标系中,平行四边形ABCD的对角线交点与坐标原点重合,且点A.B坐标为[-3,1],[7,5],求C,D坐标和平行四边形ABCD周长3在平面直角](/uploads/image/z/1099314-18-4.jpg?t=1%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%2CAD%3D12.AC%3D26%2CBD%3D10%2C%E6%B1%82AB%E9%95%BF%E5%92%8C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E9%9D%A2%E7%A7%AF2%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%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E7%9A%84%E5%AF%B9%E8%A7%92%E7%BA%BF%E4%BA%A4%E7%82%B9%E4%B8%8E%E5%9D%90%E6%A0%87%E5%8E%9F%E7%82%B9%E9%87%8D%E5%90%88%2C%E4%B8%94%E7%82%B9A.B%E5%9D%90%E6%A0%87%E4%B8%BA%5B-3%2C1%5D%2C%5B7%2C5%5D%2C%E6%B1%82C%2CD%E5%9D%90%E6%A0%87%E5%92%8C%E5%B9%B3%E8%A1%8C%E5%9B%9B%E8%BE%B9%E5%BD%A2ABCD%E5%91%A8%E9%95%BF3%E5%9C%A8%E5%B9%B3%E9%9D%A2%E7%9B%B4%E8%A7%92)
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