Question

what is formula of area of equilaternal triangle​

Answer 1

Answer:

(root3)/4 × a^2

Step-by-step explanation:

Let us say that the side of an equilateral triangle is 'a'.

Then, using Heron's Formula, the area of an equilateral triangle = (root3)/4 × a^2

Answer 2

1/2 * √3s/ 2 * s = √3s2/4.

OR

Refer to the attachment..