# Geometría plana y de volumen

Anuncio
```FIGURA
Rectangle
Triangle
Trapezi
Pemtagon
Hexagon
Rombe
Cercle
Sector Circular
Corona Circular
EXEMP AREA
S= L2
S=b&Acirc;&middot;h
S=b&Acirc;&middot;h/2
S=B1 &Acirc;&middot;B2 / 2 &Acirc;&middot; h
S=p&Acirc;&middot;a/2
S=p&Acirc;&middot;a/2
S=D1 &Acirc;&middot;D2 / 2
S=&Iuml; &Acirc;&middot; r2
S=&Iuml; &Acirc;&middot; r2
&Acirc;&middot;n&Acirc;&ordm;/360&Acirc;&ordm;
S=&Iuml; &Acirc;&middot; (R12 &Acirc;&middot;R22
)
VOCAVULARI
L=Costat
B=Base
B1 = Base gran
B2 = Base petita
P =perimetre
A=apotema
D1 =diagonal gran
D2 =diagonal petita
&Iuml; =PI
N&Acirc;&ordm;= n&Acirc;&ordm; Graus
Circumferencia
L= 2&Iuml; &Acirc;&middot; r
L= longitut
NOTA
La circunferencia te
Longitut i el cercle te
Superficie.
RECORDA
&Iuml; = 3.14
FIGURA DIBUIX
Cub
Octaedre
Prisma
A LATERAL
Al=4l2
Al=2ac+ 2cb
Al= Pb&Acirc;&middot;h
A TOTAL
At=6l2
At=2ac+2cb+2bc
At=Al&Acirc;&middot;2ab
VOLUM
VOCAVULARI
V= a3
Al= Area lateral
V=a&Acirc;&middot;b&Acirc;&middot;c
At= Area total
V= ab.h
V=Volum
1
L=costat
A=Aresta
A,B,C=dimensions
PB=perimetre Base
AB=area base
Piramide
Al=Pb&Acirc;&middot;Ap/2
At= Al+Ab
Cilindre
Al=2&Iuml; Rg
At=Al+2 AB
Con
Al=&Iuml; Rg
At=Al+AB
Esfera
At=4&Iuml; r2
V= Ab&Acirc;&middot;h/3
AP=apotema
piramide
V=&Iuml; 3 r2
&Acirc;&middot; h