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5/26/2018 Exercicios - Geometria Descritiva - Reta
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GEOMETRIA DESCRITIVA UNIDADE 01
GEOMETRIA DESCRITIVA
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PLANO DE PROJEO
PHA ( ) _______________________PHP ( ) _______________________ I DIEDRO: _____________________PVS ( ) _______________________ II DIEDRO: ____________________PVI ( ) ________________________ III DIEDRO: ____________________LT ( ) ______________________ IV DIEDRO: ____________________
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GEOMETRIA DESCRITIVA UNIDADE 01
Linha Terra ( LT ) _____________________________________________________________________________________________________________________________
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ngulo Diedro ________________________________________________________________________________________________________________________________
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PURA______________________________________________________________________
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PLANIFICAO DO SISTEMA
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GEOMETRIA DESCRITIVA UNIDADE 02
ESTUDO DO PONTO
Um ponto pode ser representado por suas coordenadas descritas.A (X, Y, Z) sendo: X - ______________________________
Y - ______________________________Z - ______________________________
ABISCISSA:______________________________________________________________________
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AFASTAMENTO:
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COTA:______________________________________________________________________
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POSIES DE UM PONTO:
Exerccios:A (3,2,3) B (2,2,3) C (2,0,2) D (0,2,1) E (2,0,0) F (2,2,0)
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GEOMETRIA DESCRITIVA UNIDADE 03
ESTUDO DA RETA______________________________________________________________________________
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REPRESENTAO DA RETA
Exerccios:
1)A (3,2,3)B (2,2,3)
2)C (2,2,3)D (2,1,3)
3)E (3,2,3)F (1,4,3)
4)G (2,3,2)
H (2,3,3)
5)I (4,2,3)
J (2,2,4)
6)L (3,3,1)
M (3,1,3)
Representao Plana
Representao Espacial
Representao em pura
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GEOMETRIA DESCRITIVA UNIDADE 03
POSIES DA RETA
- Em relao a um plano:__________________________________________________________________________________________________________________________________________________________
A)_____________________________________________________________________B)_____________________________________________________________________C)_____________________________________________________________________
- Em relao aos planos de projeo:__________________________________________________________________________________________________________________________________________________________
1- Fronto-horizontal2- Reta horizontal (Reta de nvel)3- Reta frontal ou Reta de frente4- Reta de topo5- Reta vertical6- Reta de perfil7- Reta oblqua (Reta genrica ou Reta qualquer)
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1- Fronto-horizontal ou reta paralela linha de terra
Caractersticas:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Representao em pura:A (4,2,3) B (1,2,3)
Trao de uma reta:_________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
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2- Reta Horizontal (Reta de nvel)
Caractersticas:______________________________________________________________________
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Representao espacial e em pura:A (4,1,2) B (1,4,2)
3- Reta frontal ou reta de frente
Caractersticas:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Representao espacial e em pura:
A (4,2,1) B (1,2,4)
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4- Reta de topo
Caractersticas:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Representao em pura:A (3,1,2) B (3,4,2)
5- Reta vertical
Caractersticas:____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Representao em pura:A (3,2,1) B (3,2,4)
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6- Reta de perfil
Caractersticas:___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________
Representao em pura:A (3,4,1) B (3,1,4)A (3,1,3) B (3,4,4)
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7- Reta oblqua (reta genrica ou reta qualquer)
Caractersticas:
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Representao em pura:A (3,2,1) B (4,1,3)
RESUMO
Representao da reta em pura, no I DIEDRO
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GEOMETRIA DESCRITIVA UNIDADE 04
POSIO RELATIVA DE DUAS RETAS
Duas retas no espao podem ser:1) Retas Coplanares:paralelas e concorrentes.2) Retas no-coplanares:reversas e reversas ortogonais.
RETAS PARALELASDuas retas so paralelas quando satisfazem as seguintes condies.