1.   Choose the best description for the figure.
   
    A. not a polygon B. semicircle
    C. regular polygon D. polygon
    Hint

  2.   Which of the following is a regular polygon?
    A. B.
    C. D.
    Hint

  3.   Which of the following angle measures represent the angles of a regular polygon that can be used to make a tessellation?
    A. 144° B. 150°
    C. 90° D. 135°
    Hint

  4.   In the tessellation shown below, name the polygons and determine how many of each type are at each vertex.
   
    A. 1 octagon and 2 squares B. 4 octagons and 1 square
    C. 1 octagon and 4 squares D. 2 octagons and 1 square
    Hint

  5.   What is the name of a polygon that has seven sides?
    A. heptagon B. octagon
    C. hexagon D. nonagon
    Hint



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