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Find the area of an equilateral triangle that has perimeter of 24 m. ​

Find the area of an equilateral triangle that has perimeter of 24 m. ​-example-1
User Dogan
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we know the perimeter is 24, and is an equilateral triangle, so it has three equal sides, so each side is 24 ÷ 3 = 8.


\bf \textit{area of an equilateral triangle}\\\\ A=\cfrac{s^2√(3)}{4}~~ \begin{cases} s=side's\\ \qquad length\\ \cline{1-1} s = 8 \end{cases}\implies A=\cfrac{8^2√(3)}{4}\\\\\\ A=16√(3)\implies A\approx 24.71

User Hexid
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