Texas Instruments TI-NSPIRE Software Manual page 168

4. From the Transformation menu, select the Dilation tool (
5. Select the value measured or created, the dilation point, and then
move toward the object.
The dilation appears on the work area.
In the following example, the polygon from the previous example
was retained, but a negative number was entered using the Text tool
( ).
156
Polygon, dilation point,
and measurement on
page.
Using Graphs & Geometry
).