# Geometría plana y de volumen

January 6, 2018 | Author: Anonymous | Category: Trabajos y Tareas, Matemáticas

#### Description

FIGURA Quadrat Rectangle Triangle Trapezi Pemtagon Hexagon Rombe Cercle Sector Circular Corona Circular

EXEMP AREA S= L2 S=bÂ·h S=bÂ·h/2 S=B1 Â·B2 / 2 Â· h S=pÂ·a/2 S=pÂ·a/2 S=D1 Â·D2 / 2 S=Ï Â· r2 S=Ï Â· r2 Â·nÂº/360Âº S=Ï Â· (R12 Â·R22 )

VOCAVULARI L=Costat B=Base H=alÃ§ada B1 = Base gran B2 = Base petita P =perimetre A=apotema D1 =diagonal gran D2 =diagonal petita Ï =PI R= radi NÂº= nÂº Graus R1 = Radi gran R2 =Radi petit

Circumferencia

L= 2Ï Â· r

L= longitut NOTA La circunferencia te Longitut i el cercle te Superficie. RECORDA Ï = 3.14

FIGURA DIBUIX Cub Octaedre Prisma

A LATERAL Al=4l2 Al=2ac+ 2cb Al= PbÂ·h

A TOTAL At=6l2 At=2ac+2cb+2bc At=AlÂ·2ab

VOLUM VOCAVULARI V= a3 Al= Area lateral V=aÂ·bÂ·c At= Area total V= ab.h V=Volum

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L=costat A=Aresta A,B,C=dimensions PB=perimetre Base AB=area base Piramide

Al=PbÂ·Ap/2

At= Al+Ab

Cilindre

Al=2Ï Rg

At=Al+2 AB

Con

Al=Ï Rg

At=Al+AB

Esfera

At=4Ï r2

V= AbÂ·h/3

AP=apotema piramide

V=Ï 3 r2 Â· h R=radi V=Ï 3 r2 G=generatriu Â· h/3 V=4/3Ï r3

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