Question

Area of equilateral triangle in mathematical formula

Answer 1

Here is your answer.

The area of equilateral triangle is the square root of 3 divided by 3 and multiplied by the square of the side.

You can also used Herons formula.

Hope that this helps you.

Answer 2

$\huge \red{ \tt \frac{ \sqrt{3} }{4} \times {a}^{2} }$