1. FORMULE - CORPURI GEOMETRICE
I. POLIEDRE
CUBUL PARALELIPIPEDUL DREPTUNGHIC
Al = 4l 2 ; At = 6l 2 ; V = l 3 At = 2 ⋅ ( L ⋅ l + L ⋅ h + l ⋅ h ) ; V = L ⋅ l ⋅ h
d f = l 2; d = l 3 d = L2 + l 2 + h 2
PRISMA REGULATĂ
TRIUNGHIULARĂ PATRULATERĂ HEXAGONALĂ
Al = Pb ⋅ h At = Al + 2 ⋅ Ab V = Ab ⋅ h
PIRAMIDA REGULATĂ
TRIUNGHIULARĂ PATRULATERĂ HEXAGONALĂ
Pb ⋅ a p Ab ⋅ h
Al = At = Al + Ab V=
2 3

2. TRUNCHIUL DE PIRAMIDĂ REGULATĂ
TRIUNGHIULARĂ PATRULATERĂ HEXAGONALĂ
( PB + Pb ) ⋅ at
Al =
2
At = Al + AB + Ab V=
ht
3
(
⋅ AB + Ab + AB ⋅ Ab )
II. CORPURI ROTUNDE
CILINDRUL CONUL
Al = π RG
Al = 2π RG
At = π R ( G + R )
At = 2π R ( G + R )
π R2 H
V =πR H 2
V=
3
TRUNCHIUL DE CON SFERA
Al = π Gt ( R + r )
A = 4π R 2
At = π Gt ( R + r ) + π R + π r
2 2
4π R 3
π Ht 2 2 V=
V=
3
( R + r + Rr ) 3