j85339314 j85339314

09-02-2024
Mathematics

contestada

1) On donne les points A(-2;-1), B(5:3) et C(7:4).
Les points A, B et C sont-ils alignés ?
2) On donne les points A(-3;2), B(1;4), C(-1:-3) et D(-3:-4).
Les droites (AB) et (CD) sont-elles parallèles?

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