Evaluate
18\sqrt{3}\approx 31.176914536
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\sqrt{972}
Multiply 36 and 27 to get 972.
18\sqrt{3}
Factor 972=18^{2}\times 3. Rewrite the square root of the product \sqrt{18^{2}\times 3} as the product of square roots \sqrt{18^{2}}\sqrt{3}. Take the square root of 18^{2}.
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