Where does the square root 3 come from. I get the height to s^2 = H^2 + (s/2)^2 ==>
H = s/2 ==> A = B * H (B = s ) so (S*S)/(2 * 2) ==> A = s^2 / 4 ,,,where do i
get the square root 3.
Thank you for your help
Then use Heron's formula
Heron's formula - Wikipedia, the free encyclopedia