11/4 x 11/4 = 121/16
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Square root of 25 = +or- 5 Square root of -36 = +or- 6i where i is the imaginary number such that i^2=-1 Square root of 121 = +or-11 So the 8 possible answers are: -16-6i, -16+6i, -6-6i, -6+6i, 6-6i, 6+6i, 16-6i and 16+6i
11 units. (It is the square root of 121, and A=S^2 => 121=S^2 => S=11.)
16(square root)15
The square root of 16 is 4
The square root of -16 is: 4 i