Pràctica 2: girs

2.1. APLICAR UN GIR
[list][*]Observa que a la part superior esquerra de l’àrea de treball apareix dibuixat un angle. Si mous el punt podràs canviar l’angle.[/*][*]Dibuixa un pentàgon en forma de caseta amb l’eina [img]data:image/png;base64,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[/img] Polígon. [/*][*]Dibuixa un punt a l’esquerra del pentàgon. Clica-hi amb el botó dret (Propietats) i canvia-li el nom ([i]Canvia de nom[/i]), posa-li [i]Centre[/i].[/*][*]Apliquem un gir al pentàgon. Selecciona l’eina [img]data:image/png;base64,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[/img] [i]Rotació al voltant d’un punt[/i]. Clica dins la caseta, clica sobre el punt anomenat Centre. I finalment a la finestra que apareixerà esborra 45º i escriu [math]\alpha[/math] (trobaràs les lletres gregues al menú superior dreta)[/*][*]Mou el punt [i]Angle [/i]per variar l’angle i observa com canvia el gir del pentàgon.[br][/*][/list]
Tasca 1
Tasca 2
Quants graus has de girar per tal que el pentàgon quedi capgirat?
Tasca 3
Quants graus has de girar per tal que el pentàgon torni a la mateixa posició?
Tasca 4
Situa el centre de gir a la dreta del pentàgon. Quina diferència hi ha en el gir?
Tasca 5
Gira en el mateix sentit?
Tasca 6
Situa el centre sobre un vèrtex del pentàgon i observa com gira. Hi ha algun punt del pentàgon que quedi a la mateixa posició sempre? Quin és aquest punt?
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Information: Pràctica 2: girs