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

  2.   Which puzzle piece will tessellate?
    A. B.
    C. D.

  3.   Choose the best description for the picture.
    A. octagon B. hexagon
    C. regular octagon D. regular hexagon

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

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

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