aalmanzar272 aalmanzar272
  • 02-04-2017
  • Mathematics
contestada

The altitude of an equilateral triangle is 9 inches. Find the perimeter of the triangle in inches.

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jdoe0001 jdoe0001
  • 02-04-2017
[tex]\bf \textit{height of an equilateral triangle}\\\\ h=\cfrac{s\sqrt{3}}{2}\implies 2h=s\sqrt{3}\implies \cfrac{2h}{\sqrt{3}}=s\qquad \begin{cases} h=height\\ s=\textit{one side's length} \end{cases} [/tex]

anyway, the perimeter will all sides added together, namely s + s + s or 3s
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idkmename123 idkmename123
  • 29-04-2021

Answer:

Step-by-step explanation:

its 27 to the square root of 3

Answer Link

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