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Need help finding the area of an equilateral triangle..
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Find the area of the equilateral triangle if a side is \[14\sqrt{3}\] round to the nearest whole number |dw:1444078683503:dw|
Okay, the answer A=3 4a2=3 4·1432≈8854.67674
uhm. The answer choices are 1) 85 ft^2 2) 170 ft^2 3) 255 ft^2 4) 510 ft^2
Area of equilateral triangle = sqrt(3) * (side)^2 / 4
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\[Area = \frac{ \sqrt{3} }{ 4 }*(side)^2\]
\[Area = \frac{ \sqrt{3} }{ 4 }*(14\sqrt{3})^2\]
\[Area = \frac{ \sqrt{3} }{ 4 }*(588)\]
\[Area = \sqrt{3} * 147\]
= 254.6114687126249484
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There you go :)
Well thank ya[:
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