Symétrie axiale - 6e
Symétrie axiale
Exercice 1 : Tracer les symétries axiale d'une figure
Compléter le schéma afin que les droites \( (d1) \) et \( (d2) \) soient des axes de symétrie de la figure.
On n'ajoutera pas d'élément dans la partie contenant la figure initiale.
On n'ajoutera pas d'élément dans la partie contenant la figure initiale.
Exercice 2 : Trouver les situations de symétrie axiale - Triangles
Parmi les figures suivantes, lesquelles correspondent à une situation de symétrie axiale.
A', B' et C' sont les symétriques de A, B et C respectivement par rapport à l'axe.
- A.
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- B.
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- C.
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- D.
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Exercice 3 : Tracer les axes de symétrie d'une figure simple
Tracer le ou les axes de symétrie de la figure suivante.
Exercice 4 : Trouver les situations de symétrie axiale - Segments
Parmi les figures suivantes, la ou lesquelles correspondent à une situation de symétrie axiale.
A' et B' sont les symétriques de A et B respectivement par rapport à l'axe ?
- A.
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- B.
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- C.
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- D.
{"init": {"range": [[-7.0, 7.0], [-7.0, 7.0]], "scale": [40, 40]}, "line": [[[-6.0, -6.0], [6.0, -6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, -5.0], [6.0, -5.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, -4.0], [6.0, -4.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, -3.0], [6.0, -3.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, -2.0], [6.0, -2.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, -1.0], [6.0, -1.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 0.0], [6.0, 0.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 1.0], [6.0, 1.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 2.0], [6.0, 2.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 3.0], [6.0, 3.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 4.0], [6.0, 4.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 5.0], [6.0, 5.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, 6.0], [6.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-6.0, -6.0], [-6.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-5.0, -6.0], [-5.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-4.0, -6.0], [-4.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-3.0, -6.0], [-3.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-2.0, -6.0], [-2.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[-1.0, -6.0], [-1.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[0.0, -6.0], [0.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[1.0, -6.0], [1.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[2.0, -6.0], [2.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[3.0, -6.0], [3.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[4.0, -6.0], [4.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[5.0, -6.0], [5.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[6.0, -6.0], [6.0, 6.0], {"subtype": "segment", "stroke": "#ccc"}], [[0.0, 0.0], [1.0, 2.0], {"subtype": "segment"}], [[0.0, -2.0], [1.0, -4.0], {"subtype": "segment"}], [[7.0, -1.0], [-7.0, -1.0], {"subtype": "line"}]], "label": [[[0.0, 0.0], "A", "below left", {}], [[1.0, 2.0], "B", "above right", {}], [[1.0, -4.0], "A'", "below right", {}], [[0.0, -2.0], "B'", "above left", {}]], "circle": [[[0.0, 0.0], 0.01, {}], [[1.0, 2.0], 0.01, {}], [[1.0, -4.0], 0.01, {}], [[0.0, -2.0], 0.01, {}]]}
Exercice 5 : Tracer les symétriques de points
Construire les symétriques des points A, B, C et D par rapport à l'axe \((d)\).