Evaluate
12\sqrt{3}\approx 20.784609691
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3\times 4\sqrt{3}
Factor 48=4^{2}\times 3. Rewrite the square root of the product \sqrt{4^{2}\times 3} as the product of square roots \sqrt{4^{2}}\sqrt{3}. Take the square root of 4^{2}.
12\sqrt{3}
Multiply 3 and 4 to get 12.
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