1. Place the 360 degrees protractor on the piece of paper 0 degree parallel to x- axis.
2. Mark the following degree measures: 0 degree, 36 degrees, 72 degrees, 108 degrees,
144 degrees, 180 degrees, 216 degrees, 252 degrees, 288 degrees, and 324 degrees.
3. Remove the 360 degrees protractor.
4. Connect the points.
5. Color and label the polygon. Now you have a regular polygon decagon!