1.   The sum of the measures of the angles of a regular octagon is 1,080. Find the measure of one of its angles.
    A. 120° B. 90°
    C. 108° D. 135°
    Hint

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

  3.   Which of the following angle measures represents the angles of a regular polygon that can be used to make a tessellation?
    A. 150° B. 120°
    C. 108° D. 140°
    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. none of the other choices; different vertices have different polygons forming them
    C. one hexagon and four triangles
    D. six triangles
    Hint

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



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