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

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

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

  4.   The sum of the angle measures of a regular dodecagon (a 12-sided polygon) is 1800°. What is the measure of each angle of a regular dodecagon?
    A. 100° B. 150°
    C. 144° D. 140°
    Hint

  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
    Hint



Glencoe
The McGraw-Hill Companies