1.   What is the name of a polygon that has five sides?
    A. decagon B. heptagon
    C. pentagon D. nonagon
    Hint

  2.   What is the name of a polygon that has five sides?
    A. decagon B. nonagon
    C. heptagon D. pentagon
    Hint

  3.   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. 135°
    C. 90° D. 108°
    Hint

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

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



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