1.   Which figure is not a polygon?
    A. B.
    C. D.
    Hint

  2.   The polygon shown is_______.
   
    A. regular B. a hexagon
    C. concave D. a quadrilateral
    Hint

  3.   Which name best describes the type of triangle shown?
   
    A. isosceles B. scalene
    C. equilateral D. acute
    Hint

  4.   What best describes the polygon shown?
   
    A. regular pentagon B. regular octagon
    C. regular hexagon D. hexagon
    Hint

  5.   What best describes the polygon shown?
   
    A. quadrilateral B. pentagon
    C. hexagon D. octagon
    Hint