\frac{ 1 }{ 2 } (90 \sqrt{ 3)(15) }
Evaluate
675\sqrt{3}\approx 1169.134295109
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\frac{90}{2}\sqrt{3}\times 15
Multiply \frac{1}{2} and 90 to get \frac{90}{2}.
45\sqrt{3}\times 15
Divide 90 by 2 to get 45.
675\sqrt{3}
Multiply 45 and 15 to get 675.
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