TI-83 Plus GeoMaster™ Application Page 53
3. Select the object, and then select the center point of rotation.
The new object is drawn.
The center point of rotation can be a point you have drawn, the
center of the object, or a point on the object.
Example–
Check to see if a pentagon and an octagon have
rotational symmetry of 180 degrees.
1. Draw a pentagon using the
Reg Polygon
tool.
2. Draw an octagon using the
Reg Polygon
tool.
3. Select
Symmetry
from the
TRFM
menu.