Texas Instruments TI-73 Manual Book page 11

Measuring and Storing the Perimeter
1. Select
appears.
2. Select
prompt.
3. If the cursor is not already on one of the object's defined
vertices, use the arrow keys to move the cursor to a defined
vertex.
4. Press the E key. The object's perimeter,
appears, and the Geoboard commands change to let you
store the measured value.
5. Select
main Geoboard commands reappear.
TI-73 Geoboard
(press the key). The
MEAS
. The board reappears, with the
Perimeter
to store the value in the calculator's
L
1
MEASUREMENT
Perimtr
,
10.606
list. The
L
1
menu
Page 11