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anonymous

  • one year ago

Need help finding the area of an equilateral triangle..

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  1. anonymous
    • one year ago
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    Picture?

  2. anonymous
    • one year ago
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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|

  3. anonymous
    • one year ago
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    Okay, the answer A=3 4a2=3 4·1432≈8854.67674

  4. anonymous
    • one year ago
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    uhm. The answer choices are 1) 85 ft^2 2) 170 ft^2 3) 255 ft^2 4) 510 ft^2

  5. sleepyhead314
    • one year ago
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    Area of equilateral triangle = sqrt(3) * (side)^2 / 4

  6. sleepyhead314
    • one year ago
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    \[Area = \frac{ \sqrt{3} }{ 4 }*(side)^2\]

  7. sleepyhead314
    • one year ago
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    \[Area = \frac{ \sqrt{3} }{ 4 }*(14\sqrt{3})^2\]

  8. sleepyhead314
    • one year ago
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    \[Area = \frac{ \sqrt{3} }{ 4 }*(588)\]

  9. sleepyhead314
    • one year ago
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    \[Area = \sqrt{3} * 147\]

  10. anonymous
    • one year ago
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    = 254.6114687126249484

  11. sleepyhead314
    • one year ago
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    There you go :)

  12. anonymous
    • one year ago
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    Well thank ya[:

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