Question

find the area of the equilateral tringle , each of whose sides measures 18cm


please tell me this correctly friends .​

Answer 1

Answer:

Area of equilateral triangle =$\sf\frac{(\sqrt{3}} {4} × (side)^{2} sq.units$

$\sf=\frac{1.73}{4} ×18^{2} (because{\sqrt{3} }=1.73 )$

$\sf=\frac{1.73×324}{4}$

$\sf=140.13cm²$

Step-by-step explanation: