Question

Find the area of an equilateral triangle whose each side is $6$cm.

Answer 1

Area of equilateral triangle with side 'a' =$\frac{\sqrt{3}}{4}{a}^2$

Here $a=6cm$

$\Rightarrow$ Area =$\frac{\sqrt{3}}{4}\times 6^2$

$\Rightarrow$ Area =$9\sqrt{3}$