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Transformation variées -- Figures à 3 sommets -- 2 étapes (A)

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Transformations G´eom´etriques (A)

Dessinez l’image finale et les ´etapes interm´ediaires des transformations d´ecrites.

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D´eplacement de la figure par (-3, 4).

Rotation dans le sens antihoraire de 90◦ autour du point (1, -1). -

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H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H aaaaaaaaaaaaaaaaaaaaaaaaaaaaa @@@@@

D´eplacement de la figure par (0, 0). Rotation de 180◦autour du point (1, -4).

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C C C C C C C C C C C C C C C C C l l l l l l l l l l l l l l l l l l l l l l l l l \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \

Rotation dans le sens horaire de 90◦ autour du point (0, 1).

Rotation dans le sens horaire de 90◦ autour du point (-2, -1). -

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      C C C C C C C C C C C C C C C C C C C C C C C C C

Rotation dans le sens antihoraire de 90◦ autour du point (-1, -2).

D´eplacement de la figure par (-6, 2).

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T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T                     

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(2)

Transformations G´eom´etriques (A) Solutions

Dessinez l’image finale et les ´etapes interm´ediaires des transformations d´ecrites.

0

D´eplacement de la figure par (-3, 4).

Rotation dans le sens antihoraire de 90◦ autour du point (1, -1). -

x

6

y

H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H aaaaaaaaaaaaaaaaaaaaaaaaaaaaa @@@@@ H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H H aaaaaaaaaaaaaaaaaaaaaaaaaaaaa @@@@@                                      x

D´eplacement de la figure par (0, 0). Rotation de 180◦autour du point (1, -4).

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6

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C C C C C C C C C C C C C C C C C l l l l l l l l l l l l l l l l l l l l l l l l l \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \CCC C C C C C C C C C C C C C C l l l l l l l l l l l l l l l l l l l l l l l l l \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \\ \ CCCC CCCC CCCC CCCC C ll ll ll ll lll ll lll ll ll ll ll l\\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ x

Rotation dans le sens horaire de 90◦ autour du point (0, 1).

Rotation dans le sens horaire de 90◦ autour du point (-2, -1). -

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6

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      C C C C C C C C C C C C C C C C C C C C C C C C C PPPPPPPPPPPPPPPPP                  CCCC CCCC CC CCCC CC CCCC CC CCC x x

Rotation dans le sens antihoraire de 90◦ autour du point (-1, -2).

D´eplacement de la figure par (-6, 2).

-

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T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T T                      " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " `````````````````````````````````````````CCC C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " " `````````````````````````````````````````CCC C C C C C C C C C C C C C C C C C C C C C C C C C C C C C C x

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