Evaluate
90\sqrt{5}\approx 201.246117975
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\sqrt{8100+180^{2}}
Calculate 90 to the power of 2 and get 8100.
\sqrt{8100+32400}
Calculate 180 to the power of 2 and get 32400.
\sqrt{40500}
Add 8100 and 32400 to get 40500.
90\sqrt{5}
Factor 40500=90^{2}\times 5. Rewrite the square root of the product \sqrt{90^{2}\times 5} as the product of square roots \sqrt{90^{2}}\sqrt{5}. Take the square root of 90^{2}.
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