Evaluate
400\sqrt{3}\approx 692.820323028
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\sqrt{200^{2}\left(\sqrt{3}\right)^{2}+600^{2}}
Expand \left(200\sqrt{3}\right)^{2}.
\sqrt{40000\left(\sqrt{3}\right)^{2}+600^{2}}
Calculate 200 to the power of 2 and get 40000.
\sqrt{40000\times 3+600^{2}}
The square of \sqrt{3} is 3.
\sqrt{120000+600^{2}}
Multiply 40000 and 3 to get 120000.
\sqrt{120000+360000}
Calculate 600 to the power of 2 and get 360000.
\sqrt{480000}
Add 120000 and 360000 to get 480000.
400\sqrt{3}
Factor 480000=400^{2}\times 3. Rewrite the square root of the product \sqrt{400^{2}\times 3} as the product of square roots \sqrt{400^{2}}\sqrt{3}. Take the square root of 400^{2}.
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