Answer: 2 feet below normal
2(93+94)=374 . It is the answer it was obtained by trial and error method
1 triangle: 2*6 + 1*5
2 triangles: 2*6 + 2*5
3 triangles: 2*6 + 3*5
So for n triangles: p = 2*6 + n*5 = 12 + 5n
6x^2 is the answer. thanks for asking it.