Evaluate
\frac{5\sqrt{3}}{2}\approx 4.330127019
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\frac{1}{2}\sqrt{15}\sqrt{5}
Divide 4\sqrt{15} by 8 to get \frac{1}{2}\sqrt{15}.
\frac{1}{2}\sqrt{5}\sqrt{3}\sqrt{5}
Factor 15=5\times 3. Rewrite the square root of the product \sqrt{5\times 3} as the product of square roots \sqrt{5}\sqrt{3}.
\frac{1}{2}\times 5\sqrt{3}
Multiply \sqrt{5} and \sqrt{5} to get 5.
\frac{5}{2}\sqrt{3}
Multiply \frac{1}{2} and 5 to get \frac{5}{2}.
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