Texas Instruments TI-15 Teachers Manual page 96

Finding the area of a square
Use this formula to find the size of Powers
the tarpaulin needed to cover the
¨
entire baseball infield.
A = x 2 = 90 2
P r e s s D i s p l a y
90 ¨ 2
× Ø É Ð Ú 8 1 0 0
®
89
© 2000 T I I TI-15: A Guide for Teachers
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