TI-83 Plus Activities 589
interactive solver editor is displayed, press } to display the equation
editor.
2. Enter the formula as 0=ANNB2sin(p / N)cos(p / N), and then press
Í. The interactive solver editor is displayed.
3. Enter N=4 and B=6 to find the area (A) of a square with a distance (B)
from center to vertex of 6 centimeters.
4. Press } } to move the cursor onto A, and then press ƒ \.
The solution for A is displayed on the interactive solver editor.
5. Now solve for B for a given area with various number of sides. Enter
A=200 and N=6. To find the distance B, move the cursor onto B, and
then press ƒ \.