1.   Which of the following is a regular polygon?
    A. B.
    C. D.
    Hint

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

  3.   The sum of the measures of the angles of a regular octagon is 1080. What is the measure of each angle?
    A. 108° B. 144°
    C. 135 D. 120
    Hint

  4.   In a tessellations with squares and regular triangles, two squares touch each vertex. How many triangles touch each vertex?
    A. 1 B. 3
    C. 2 D. 4
    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. one hexagon and four triangles
    C. two triangles and two hexagons
    D. six triangles
    Hint



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