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

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

  3.   By drawing triangles, you can find that all of the measures of the angles in an octagon add up to 1080°. Find the measure of one angle in a regular octagon.
    A. 1072° B. 135°
    C. 150° D. 1080°

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

  5.   Which figure will tessellate?
    A. B.
    C. D.

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