Prepared by:
Joseph Malkevitch
Department of Mathematics and Computer Studies
York College (CUNY)
Jamaica, New York
email:
malkevitch@york.cuny.edu
web page:
http://york.cuny.edu/~malk/
1. For the graphs below, draw (a). The dual graph (b) the medial graph (c) the line graph (d) the graph where each edge is replaced by a hexagon.
