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2D Plane Object Name Question

  1. Apr 17, 2009 #1
    Hi guys,

    I know it’s not triangle, rectangle, square, or circle, but, can anyone tell me what these three two dimensional plane name in english is (images are attached)?

    Thank you very much in advance

    Huygen
     

    Attached Files:

  2. jcsd
  3. Apr 23, 2009 #2
    Parallelogram, kite, and rhombus.
     
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