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Homothéties de figures à 4 sommets par rapport à l'origine (A)

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(1)

L’Homoth´etie (A)

Dessinez l’image de l’homoth´etie d´ecrite.

0

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

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3

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6

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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 T T T T T T T T T T T T T T T T T T T T T T T T @ @ @ @ @ @ @ @ @ AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA A

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

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.

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6

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                                                         \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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

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6

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\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ EEEE EE EE EE EE EEEE EE EE EE EEE

Homoth´etie de centre (0, 0) et de rapport 2.

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x

6

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X X X X X X X X X X X X X X X X X                  aaaaaaaaaaaaaaaaaaaaa     

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(2)

L’Homoth´etie (A) Solutions

Dessinez l’image de l’homoth´etie d´ecrite.

0

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

1

3

.

-

x

6

y

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 T T T T T T T T T T T T T T T T T T T T T T T T @ @ @ @ @ @ @ @ @ AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA AA A T T T T T T T T T T T T T T T T T AA AA AA AA AA AA AA AA AA AA A x

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

1

3

.

-

x

6

y

                                                         \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!                  \ \ \ \ \ \ \ \ \ \ \ \ \ !!!!!!!!!!!!!!!!!!!!! x

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

-

x

6

y

\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ EEEE EE EE EE EE EEEE EE EE EE EEE \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ 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 EE EE EE EE EE EE E x

Homoth´etie de centre (0, 0) et de rapport 2.

-

x

6

y

X X X X X X X X X X X X X X X X X                  aaaaaaaaaaaaaaaaaaaaa      X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X X                                      aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa             x

MathsLibres.com

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