????????? [2*root(3) + 8*root(4)]^2 ???????
root(4)=2, so 8*root(4)=8*2=16
root(3)=1.732050808
2*root(3)=3.464101615
add in 16 & yu get19.46410162
square that...get 378.8512517
But this is with the positiv root,
if yu wanna be thero, gotta get negativ roots & mixed
(1 root + & other root -)