The square of 9 is calculated by multiplying 9 by itself, which equals 81. In mathematical terms, this can be written as 9^2 = 81. The square of a number represents the area of a square with sides of that length.
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9² = 81 square units.Area= length*length= 9*9= 81 unit square
The square root of 9 is 3. This is because 32 equals 9.
The square root of 25 is 5. The square root of 9 is 3. The square root of 259 is 16.1
The square root of 9 is rational.
9 Square Feet in a Square Yard