Texas Instruments TI-30X Teachers Guide - Page 64
of a lawn would be covered by
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Area g 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. A = pr2 = p x 42 Press g V 4 F < %© " < %© 8 Display p*42 50.26548246 DEG F 0_ 1 2 3 4 5 6 7 8 9 DEG p*42 FIX ' 50. DEG p*42 ' 50.26548246 DEG © 1999 TEXAS INSTRUMENTS INCORPORATED TI-30X ÙS: A Guide for Teachers 60
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© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X
Ù
S: A Guide for Teachers
60
Area
g
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.
Press
Display
g
V
4
F
<
p
*
4
2
50.26548246
DEG
%
©
"
F
0123456789
123456789
_
DEG
<
p
*
4
2
’
50.
FIX
DEG
%
©
8
p
*
4
2
’
50.26548246
DEG
A =
p
r
2
=
p
x 4
2