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

  2.   Which of the following figures is not a hexagon?
    A. B.
    C. D.
    Hint

  3.   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. 2 octagons and 1 square D. 1 octagon and 4 squares
    Hint

  4.   In the tessellation below, name the polygons and determine how many of each type are at each vertex.
    A. two triangles and two hexagons
    B. six triangles
    C. one hexagon and four triangles
    D. none of the other choices; different vertices have different polygons forming them
    Hint

  5.   The sum of the angle measures of a regular hendecagon (an 11-sided polygon) is 1620°. What is the measure of each of the angles of the hendecagon? Round your answer to the nearest whole degree.
    A. 90° B. 150°
    C. 147° D. 144°
    Hint



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