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Rotation de figures à 5 sommets autour de l'origine -- 1er quadrant (A)

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(1)

Rotations (A)

Dessinez l’image de la rotation d´ecrite.

0

Rotation dans le sens horaire de 90

autour du

point (0, 0).

-

x

6

y

` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` PPPPPPPPPPPPPPPPP

Rotation de 180

autour du point (0, 0).

-

x

6

y

H H H H H H H H H H H H H @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @CCC 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 horaire de 90

autour du

point (0, 0).

-

x

6

y

      

Rotation de 180

autour du point (0, 0).

-

x

6

y

HHHHHHHHHHHHHHHHHHHHHHHHH @ @ @ @ @   

MathsLibres.com

(2)

Rotations (A) Solutions

Dessinez l’image de la rotation d´ecrite.

0

Rotation dans le sens horaire de 90

autour du

point (0, 0).

-

x

6

y

` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` ` PPPPPPPPPPPPPPPPP                          x

Rotation de 180

autour du point (0, 0).

-

x

6

y

H H H H H H H H H H H H H @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @CCC C C C C C C C C C C C C C C C C C C C C C C @ @ @ @ @ HHHHHHHHHHHHH @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ CCCC CCCC CC CCCC CC CCCC CC CCC @@@@@ x

Rotation dans le sens horaire de 90

autour du

point (0, 0).

-

x

6

y

       AA AA AA AA AA AAA PPPPPPPPPPPPPPPPPDDDD DD DD DD DD DD DD DD DD DD DD DD DD D x

Rotation de 180

autour du point (0, 0).

-

x

6

y

HHHHHHHHHHHHHHHHHHHHHHHHH @ @ @ @ @    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 @@@@@              x

MathsLibres.com

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