How to find the length of the side of an equilateral triangle

Practice Questions

GRE Quantitative Reasoning › How to find the length of the side of an equilateral triangle

Questions

What is the length of a side of an equilateral triangle if the area is $9\sqrt{3}$ ?

If the height of the equilateral triangle is $4\sqrt{2}$ , then what is the length of a side of an equilateral triangle?