Evaluate
12\sqrt{3}\approx 20.784609691
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\sqrt{432}
Multiply 2 and 216 to get 432.
12\sqrt{3}
Factor 432=12^{2}\times 3. Rewrite the square root of the product \sqrt{12^{2}\times 3} as the product of square roots \sqrt{12^{2}}\sqrt{3}. Take the square root of 12^{2}.
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