Texas Instruments TI-30XIIS Teachers Guide - Page 67
nearest whole number, and then
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Area Use this formula to find how much g of a lawn would be covered by the sprinkler. Round your answer to the nearest whole number, and then return to floating decimal mode. A = pr2 = p x 42 Press Display g V 4 F < %© " p*42 ' 50.26548246 DEG F-0 1 2 3 4 5 6 7 8 9 < %© 8 DEG p*42 FIX ' 50. DEG p*42 ' 50.26548246 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 60
© 1999 T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
60
Use this formula to find how much
of a lawn would be covered by the
sprinkler. Round your answer to the
nearest whole number, and then
return to floating decimal mode.
g
Press
Display
g
V
4
F
<
p
*
4
2
'
50.26548246
50.26548246
DEG
%
©
"
F
0123456789
123456789
-
DEG
<
p
*
4
2
'
50.
50.
FIX
DEG
%
©
8
p
*
4
2
'
50.26548246
50.26548246
DEG
A =
p
r
2
=
p
x 4
2
Area