Texas Instruments TI-15 Teachers Manual page 93

Using pi to find area
Use this formula to find how much
of the lawn would be covered by a
sprinkler with a radius of 12 meters.
A = pr
P r e s s
© V
12 ¨ 2
®
Ÿ
© 2000 T I
EXAS NSTRUMENTS
p x 12
2 = 2
12 m
D i s p l a y
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NCORPORATED
TI-15: A Guide for Teachers
Pi
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