the area of an equilateral triangle is 4√3. Find its perimeter
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Area of Equilateral traingle = 4√3 cm²
\frac{ \sqrt{3} }{4} \times (side) {}^{2} = 4 \sqrt{3 } \\ \\ {(side)}^{2} = 4 \sqrt{ 3} \times \frac{4}{ \sqrt{ 3 } } \\ \\ {(side)}^{2} = 4 \times 4 \\ \\ (side) {}^{2} = (4)^2 \\ \\ = > side = 4 \: cm
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