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:

    ____________________________________________________________________________________________________________________________________________

    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:______________________________________________________________________

    ______________________________________________________________________________________________________________________________________________________________________________________________________________________

    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:

    ___________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

    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.