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    18．····························································································································································· 以不共线的三点为顶点作平行四边形可作出·············································································································································· ( )． 2个 4个 【查看更多】

     

    题目列表(包括答案和解析)

    5、以不共线的三点为平行四边形的其中三个顶点作平行四边形，一共可作平行四边形的个数是（　　）

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    以不共线的三点为平行四边形的其中三个顶点作平行四边形，一共可作平行四边形的个数是


    1. A.
      2个
    2. B.
      3个
    3. C.
      4个
    4. D.
      5个

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    以不共线的三点为三个顶点作平行四边形，一共可作平行四边形的个数是________．

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    以不共线的三点为其中的三个顶点作平行四边形，一共可作___________个.

     

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    13、以不共线的A、B、C三点为其中的三个顶点，作形状不同的平行四边形，一共可以作
    3
    个．

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