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Homothéties de figures à 4 sommets -- 2 étapes (A)

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L’Homoth´etie (A)

Dessinez l’image finale et les ´etapes interm´ediaires de l’homoth´etie d´ecrite.

0

Homoth´etie de centre (-2, 5) et de rapport

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4

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Homoth´etie de centre (-5, -2) et de rapport

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S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S ((((((((((((((((((((((((((((((((((((((((((((((((( HHHHHHHHHHHHH                                                 

Homoth´etie de centre (3, -3) et de rapport

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Homoth´etie de centre (2, -5) et de rapport

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                                         EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE Elll ll ll ll ll ll ll ll ll ll ll ll ll lll ll ll ll ll ll ll ll ll ll ll ll lll ll ll ll ll ll

Homoth´etie de centre (-3, 0) et de rapport

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Homoth´etie de centre (-3, -2) et de rapport 3.

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                                      @@@ @@ @@ @@ @@ @@

Homoth´etie de centre (-5, -3) et de rapport

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Homoth´etie de centre (-1, 4) et de rapport

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H H H H H H H H H H H H H                                                                               

MathsLibres.com

(2)

L’Homoth´etie (A) Solutions

Dessinez l’image finale et les ´etapes interm´ediaires de l’homoth´etie d´ecrite.

0

Homoth´etie de centre (-2, 5) et de rapport

1

4

.

Homoth´etie de centre (-5, -2) et de rapport

1

4

.

-

x

6

y

S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S S ((((((((((((((((((((((((((((((((((((((((((((((((( HHHHHHHHHHHHH                                                  S S S S S S S S S S S S S (((((((((((((              x x

Homoth´etie de centre (3, -3) et de rapport

1

4

.

Homoth´etie de centre (2, -5) et de rapport

1

2

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x

6

y

                                         EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE EE Elll ll ll ll ll ll ll ll ll ll ll ll ll lll ll ll ll ll ll ll ll ll ll ll ll lll ll ll ll ll ll          EE EE EE EE EE EE EE EE Elllll lll lll lll lll      EEE EEE EEE lllllllll x x

Homoth´etie de centre (-3, 0) et de rapport

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3

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Homoth´etie de centre (-3, -2) et de rapport 3.

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x

6

y

                                      @@@ @@ @@ @@ @@ @@               @ @ @ @ @                                       @@ @@@ @@ @@ @@ @@ x x

Homoth´etie de centre (-5, -3) et de rapport

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Homoth´etie de centre (-1, 4) et de rapport

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H H H H H H H H H H H H H                                                                                H H H H H                                            x x

MathsLibres.com

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