Evaluate
45\sqrt{73}\approx 384.480168539
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\sqrt{18225+360^{2}}
Calculate 135 to the power of 2 and get 18225.
\sqrt{18225+129600}
Calculate 360 to the power of 2 and get 129600.
\sqrt{147825}
Add 18225 and 129600 to get 147825.
45\sqrt{73}
Factor 147825=45^{2}\times 73. Rewrite the square root of the product \sqrt{45^{2}\times 73} as the product of square roots \sqrt{45^{2}}\sqrt{73}. Take the square root of 45^{2}.
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