© 1999
T
EXAS
I
NSTRUMENTS
I
NCORPORATED
TI-30X ÙS: 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 0123456789123456789
_
DEG
<
p
*
4
2
'
50.
FIX DEG
%
©
8
p
*
4
2
'
50.26548246
DEG
A =
p
r
2
=
p
x 4
2
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