No. The square root of 16 is....
4
(4x4=16) and (-4x-4=16)
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√4 × 16 = ±2 × 16 = ±32 (though the √ symbol normally means the positive square root). √(4 × 16) = √64 = ±8
10' x 16' is not a square but a rectangle and the diagonal is square root of (10^2 + 16^2) = square root of (100 + 256) = square root of 356 which is 18.867 feet
square root 2 times square root 3 times square root 8
2
no! the square root of 8 is not retional but the cube root is retional