c

Geometrie clasa a VIII-a Silvia Doande

ARII I VOLUME - PRISMECUBUL

a = latura cubului

d = diagonala cubuluid = a

PARALELIPIPEDUL DREPTUNGHIC (CUBOIDUL)

a = lungime

b = lime

c = nlimed = diagonala cuboidului

d =

PRISMA TRIUNGHIULAR REGULAT

a = latura bazeih = nlimea prismeiPRISMA PATRULATER REGULAT

a = latura bazei

h = nlimea prismeid = diagonala prismeid =

PRISMA HEXAGONAL REGULAT

a = latura bazeih = nlimea prismeiARII I VOLUME - PIRAMIDA REGULAT

PB = perimetrul bazei

h = nlimea piramidei

ap = apotema piramidei

TRUNCHIUL DE PIRAMID REGULAT

PB = perimetrul bazei mari

Pb = perimetrul bazei mici

AB = aria bazei mari

Ab = aria bazei mici

h = nlimea trunchiului

ap = apotema trunchiului

ARII I VOLUME CORPURI ROTUNDE

CILINDRUL CIRCULAR DREPT

R = raza

G = generatoarea

h = nlimea. CONUL CIRCULAR DREPT

R = raza

G = generatoarea

h = nlimea. TRUNCHIUL DE CON CIRCULAR DREPT

r = raza bazei mici

R = raza bazei mari

G = generatoarea

h = nlimea.

SFERA

R = raza

EMBED Equation.3

EMBED Equation.3

R

r

h

G

EMBED Equation.3

h

G

R

2(R

EMBED Equation.3

r

h=G

2(R

EMBED Equation.3

EMBED Equation.3

Alat = 6a(h

Ab = 6( EMBED Equation.3

Atot = Al + 2Ab

V = Ab(h

Alat = 4a(h

Ab = a2

Atot = Al + 2Ab

V = Ab(h

Alat = 3a(h

Ab = EMBED Equation.3

Atot = Alat + 2Ab

V = Ab(h

Alat = 2c(a+b)

Atot = 2(ab+bc+ac)

V = abc

Alat = 4a2

Atot = 6a2

V = a3

a. VA = 10 cm

AM = 8 cm

AB = ...... cm

PAGE 4

_1257873684.unknown

_1257880940.unknown

_1257883016.unknown

_1257883451.unknown

_1257874509.unknown

_1257874065.unknown

_1106652897.unknown

_1257868943.unknown

_1106652716.unknown

_1106652567.unknown