anonymous
  • anonymous
Need help finding the area of an equilateral triangle..
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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schrodinger
  • schrodinger
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anonymous
  • anonymous
Picture?
anonymous
  • anonymous
Find the area of the equilateral triangle if a side is \[14\sqrt{3}\] round to the nearest whole number |dw:1444078683503:dw|
anonymous
  • anonymous
Okay, the answer A=3 4a2=3 4·1432≈8854.67674

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anonymous
  • anonymous
uhm. The answer choices are 1) 85 ft^2 2) 170 ft^2 3) 255 ft^2 4) 510 ft^2
sleepyhead314
  • sleepyhead314
Area of equilateral triangle = sqrt(3) * (side)^2 / 4
sleepyhead314
  • sleepyhead314
\[Area = \frac{ \sqrt{3} }{ 4 }*(side)^2\]
sleepyhead314
  • sleepyhead314
\[Area = \frac{ \sqrt{3} }{ 4 }*(14\sqrt{3})^2\]
sleepyhead314
  • sleepyhead314
\[Area = \frac{ \sqrt{3} }{ 4 }*(588)\]
sleepyhead314
  • sleepyhead314
\[Area = \sqrt{3} * 147\]
anonymous
  • anonymous
= 254.6114687126249484
sleepyhead314
  • sleepyhead314
There you go :)
anonymous
  • anonymous
Well thank ya[:

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