斜三棱柱底面边长为2的正三角形,A1在底面ABC的射影O是△ABC的中心,AA1与AB的夹角为45°求AA1⊥平面A1BC.此棱柱的侧面积
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![斜三棱柱底面边长为2的正三角形,A1在底面ABC的射影O是△ABC的中心,AA1与AB的夹角为45°求AA1⊥平面A1BC.此棱柱的侧面积](/uploads/image/z/12531452-68-2.jpg?t=%E6%96%9C%E4%B8%89%E6%A3%B1%E6%9F%B1%E5%BA%95%E9%9D%A2%E8%BE%B9%E9%95%BF%E4%B8%BA2%E7%9A%84%E6%AD%A3%E4%B8%89%E8%A7%92%E5%BD%A2%2CA1%E5%9C%A8%E5%BA%95%E9%9D%A2ABC%E7%9A%84%E5%B0%84%E5%BD%B1O%E6%98%AF%E2%96%B3ABC%E7%9A%84%E4%B8%AD%E5%BF%83%2CAA1%E4%B8%8EAB%E7%9A%84%E5%A4%B9%E8%A7%92%E4%B8%BA45%C2%B0%E6%B1%82AA1%E2%8A%A5%E5%B9%B3%E9%9D%A2A1BC.%E6%AD%A4%E6%A3%B1%E6%9F%B1%E7%9A%84%E4%BE%A7%E9%9D%A2%E7%A7%AF)
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