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

  2.   Which characteristic of a regular polygon is used to determine if it tessellates?
    A. The angle measure at each vertex is a factor of 360. B. The sum of the measures of the angles is a multiple of 360.
    C. The angle measure at each vertex is less than 180. D. The polygon has an even number of sides and angles.

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

  4.   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. 150° B. 1072°
    C. 1080° D. 135°

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

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