Texas Instruments TI-83-Plus - Page 8

TI-83 Plus GeoMaster™ Application Page 8
4. Use the arrow keys to move the cursor to another side of the
triangle, and then press
¯
. The perpendicular bisector of
that segment is drawn.

Find the intersection point of the perpendicular bisectors.
1. Press
V
to display the menu bar.
2. Select
DRAW
, and then select
Intersection
.
3. Use the arrow keys to move the cursor to one perpendicular
bisector, and then press
¯
.