TI-83 Plus GeoMaster™ Application Page 10
3. Use the arrow keys to move the cursor to the intersection
point of the perpendicular bisectors and press
¯
.
When more than one object is near the cursor location, a dialog
box displays a list of objects that you can choose. Each object is
named according its object type. A number follows the name,
indicating the order in which that object was created. For
example, Point 11 is the name of the 11
th
point created in this
drawing, which is the intersection point of the perpendicular
bisectors. Move the cursor to the correct object name and press
¯
to select it.
4. Use the arrow keys to move the cursor to one of the vertex
points of the triangle. The circle enlarges as the cursor
moves. Press
¯
at the vertex point to complete the
circle.
There are 2 objects at this cursor
location. Point 11 is the intersection
point of the perpendicular bisectors.
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