It is the area of a square whose side is 1 foot in length, and equals 1 square foot or 144 square inches or 1/9 sq yards.
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How is it a square if its 3ft by 1ft? The perimeter would be 7ft.
-2p squared
It is: 2b squared
12 squared plus 18 squared is equal to 468.
6 squared plus 9 squared is equal to 117.