**EMAT
6700**

**by
Brad Simmons**

**Curve Stitching**

Use geometer's sketchpad to make curved designs using line segments.

The figure below is a star shaped design. It appears to contain curves. However, it is made up entirely of line segments.

To begin the star design, make a 60 degree angle. Mark eight equally spaced points on each ray. Label the points A through H as shown below. Now connect each pair of points that have the same letter.

For a geometer's sketchpad sketch of the figure above please click here.

To make a complete star, make the same design in six 60 degree angles that have a common central vertex.

**1.
Make a complete star like the one shown in the first figure above.**

Click here for a sketch of the completed star.

The logo for Stephens County High School is a diamond SC.

**2.
Make a diamond design.**

**3.
Make your own design.**
You may use several angles and the angles may overlap.