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Réflexion de figures à 3 sommets -- 2 étapes (A)

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(1)

R´eflexions (A)

Dessinez l’image finale et les ´etapes interm´ediaires de la r´eflexion d´ecrite.

0

R´eflexion par rapport `a l’axe y = 2. R´eflexion par rapport `a l’axe y = 4.

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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 CCCC CC CCCC CCCC CC CCCC CC CCC cc ccc cc cc cc cc ccc cc cc cc cc cc cc c

R´eflexion par rapport `a l’axe x = 3. R´eflexion par rapport `a l’axe x = 3.

-

x

6

y

bbbbbb bbbbbbbb bbbbbbbbb bb

R´eflexion par rapport `a l’axe y = -2. R´eflexion par rapport `a l’axe y = 4.

-

x

6

y

a a a a a a a a a a a a a a a a a a a a a

R´eflexion par rapport `a l’axe x = -4. R´eflexion par rapport `a l’axe y = -4.

-

x

6

y

                            

MathsLibres.com

(2)

R´eflexions (A) Solutions

Dessinez l’image finale et les ´etapes interm´ediaires de la r´eflexion d´ecrite.

0

R´eflexion par rapport `a l’axe y = 2. R´eflexion par rapport `a l’axe y = 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 CCCC CC CCCC CCCC CC CCCC CC CCC cc ccc cc cc cc cc ccc cc cc cc cc cc cc c                                                         ### #### #### ### #### #### ### #### 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 CCCC CC CCCC CC CCCC CC CCCC CCC cc cc cc cc cc cc cc cc cc cc cc cc ccc cc

R´eflexion par rapport `a l’axe x = 3. R´eflexion par rapport `a l’axe x = 3.

-

x

6

y

bbbbbb bbbbbbbb bbbbbbbbb bb " " " " " " " " " " " " " " " " " " " " " " " " " @@@ @ @ @ @ @ @ @ @ @ @ @ @ @ @ bbbbbb bbbbbbbb bbbbbbbbb bb

R´eflexion par rapport `a l’axe y = -2. R´eflexion par rapport `a l’axe y = 4.

-

x

6

y

a a a a a a a a a a a a a a a a a a a a a ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! ! @@ @@ @@ @@ @@ @@ @@ @@ @@ @@ @ a a a a a a a a a a a a a a a a a a a a a

R´eflexion par rapport `a l’axe x = -4. R´eflexion par rapport `a l’axe y = -4.

-

x

6

y

                             AA AA AA AA AA AA AA AA AA AA AA AA AA AA A @ @ @ @ @ @ @ @ @ @ @ @ @          

MathsLibres.com

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