Paralelne i normalne prave crtanje iii razrered
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Transcript of Paralelne i normalne prave crtanje iii razrered
![Page 1: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/1.jpg)
Autor: Mirela Lazić, profesor razredne nastave
OŠ ‘’ Prva osnovna škola Kralja Petra II’’ Užice
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Pribor za crtanje: olovka i dva trougaonika
ili
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![Page 4: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/4.jpg)
Početak postupka:
a
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a
b
Pažljivo dižemo ruku sa zelenog trougaonika i uzimamo olovku.
Važno je da ne
pomerimo zeleni
trougaonik.
Postupak crtanja paralelnih pravih:
![Page 6: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/6.jpg)
a
b
a II b
Provera:
Postupak crtanja paralelnih pravih:
Napišemo:
![Page 7: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/7.jpg)
Zadatak:
Nacrtajte paralelnu pravu pravoj c kroz tačku S.
S
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S
c
a
a II c
Ne treba zaboraviti proveru, a zatim napišite:
Postupak crtanja:
![Page 9: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/9.jpg)
![Page 10: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/10.jpg)
a
Početak postupka:
![Page 11: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/11.jpg)
a
b
Postupak crtanja normalnih pravih:Pažljivo dignemo ruku sa zelenog trougaonika i uzmemo olovku.
Važno je da ne pomerimo zeleni
trougaonik.
![Page 12: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/12.jpg)
a
b
Provera:
a b
Postupak crtanja paralelnih prava:
Napišemo:
![Page 13: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/13.jpg)
K
a
Zadatak: Kroz tačku K nacrtajte normalnu paru d na pravu a. Označi presek tačkom M.
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KM
Ne zaboravite na proveru, a zatim napišite:
a d
a
d
Postupak crtanja:
![Page 15: Paralelne i normalne prave crtanje iii razrered](https://reader033.fdocuments.net/reader033/viewer/2022061323/557203c8d8b42ae8098b49a9/html5/thumbnails/15.jpg)
a
b
a II b a
b
a b