Answer
$A=\frac{\sqrt{3}}{4}x^2$.
Work Step by Step
The area is $=A$.
The length of one side is $=x$.
$\frac{\sqrt{3}}{4}$ times the square of the length of one side is
$=\frac{\sqrt{3}}{4}x^2$
Area is equal to $\frac{\sqrt{3}}{4}$ times the square of the length of one side.
$A=\frac{\sqrt{3}}{4}x^2$.
