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TI-83 Plus Activities 589
interactive solver editor is displayed, press
}
to display the equation
editor.
2. Enter the formula as
0=A
N
NB
2
sin(
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
\
.