### Project 9.5

Prepare a classroom demonstration of topology by drawing geometric figures on a piece of rubber inner tube. Demonstrate to the class various ways in which these figures can be distorted.

### Project 9.6

The problem shown in the News Clip was first published by John Jackson in 1821. Without the poetry, the puzzle can be stated as follows: Arrange nine trees so they occur in ten rows of three trees each. Find a solution.

### Project 9.7 **Garment topology**

The garment industry uses mathematics and topology to investigate the draping behavior of a scanned garment model in irregular and regular mesh topology. Write an informational paper of at least one page regarding the topic of garment topology.

### Project 9.8

What Good Are Fractals? Write an essay on the use and value of fractals.