1.   Which characteristic of a regular polygon is used to determine if it tessellates?
    A. The angle measure at each vertex is a factor of 360. B. The polygon has an even number of sides and angles.
    C. The sum of the measures of the angles is a multiple of 360. D. The angle measure at each vertex is less than 180.
    Hint

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

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

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

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



Glencoe
The McGraw-Hill Companies