已知在Rt△ABC中,∠B=90°,AO=根号12,BA=2,把△OAB按如图方式放置在直角坐标系中,使点O与原点重合,点A落在x轴正半轴上,求点B的坐标
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![已知在Rt△ABC中,∠B=90°,AO=根号12,BA=2,把△OAB按如图方式放置在直角坐标系中,使点O与原点重合,点A落在x轴正半轴上,求点B的坐标](/uploads/image/z/8397048-48-8.jpg?t=%E5%B7%B2%E7%9F%A5%E5%9C%A8Rt%E2%96%B3ABC%E4%B8%AD%2C%E2%88%A0B%3D90%C2%B0%2CAO%3D%E6%A0%B9%E5%8F%B712%2CBA%3D2%2C%E6%8A%8A%E2%96%B3OAB%E6%8C%89%E5%A6%82%E5%9B%BE%E6%96%B9%E5%BC%8F%E6%94%BE%E7%BD%AE%E5%9C%A8%E7%9B%B4%E8%A7%92%E5%9D%90%E6%A0%87%E7%B3%BB%E4%B8%AD%2C%E4%BD%BF%E7%82%B9O%E4%B8%8E%E5%8E%9F%E7%82%B9%E9%87%8D%E5%90%88%2C%E7%82%B9A%E8%90%BD%E5%9C%A8x%E8%BD%B4%E6%AD%A3%E5%8D%8A%E8%BD%B4%E4%B8%8A%2C%E6%B1%82%E7%82%B9B%E7%9A%84%E5%9D%90%E6%A0%87)
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