Euler:

F + V = A + 2

A = n . F /2

-Paralelepípedo

d² = a² + b²
D² = a² + b² + c²
A = 2 . (a.b + a.c + b.c)
V = a . b . c

obs.:
-Área

T-- A = (l² . √3 )/4
H-- A = (3 . l² . √ 3)/2
Q-- A = l²

Pirâmides:

g² = h² + m²
al² = g² + (ab/2)²
V= (Ab . h )/3