Evaluate
4\sqrt{407}\approx 80.696964007
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\sqrt{9216-52^{2}}
Calculate 96 to the power of 2 and get 9216.
\sqrt{9216-2704}
Calculate 52 to the power of 2 and get 2704.
\sqrt{6512}
Subtract 2704 from 9216 to get 6512.
4\sqrt{407}
Factor 6512=4^{2}\times 407. Rewrite the square root of the product \sqrt{4^{2}\times 407} as the product of square roots \sqrt{4^{2}}\sqrt{407}. Take the square root of 4^{2}.
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