Question

Hiya! please help me:(

Find the area of an equilateral triangle with sides of 4ft

Answer 1

now, is an equliateral triangle, so all sides are equal, if one side is 4ft, all three sides are 4ft.

`\bf \textit{area of an equilateral triangle}\\\\ A=\cfrac{s^2√(3)}{4}~~ \begin{cases} s=length~of\\ \qquad a~side\\[-0.5em] \hrulefill\\ s=4 \end{cases}\implies A=\cfrac{4^2√(3)}{4}\implies A=4√(3)`