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Lylou100503
@Lylou100503
May 2019
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Bonjour, il faut dire si cette affirmation est juste ou non puis justifier, mais je n'y arrive pas, pouvez vous m'aider ?
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ficanas06
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On calcule KM / KD = 1/4 d'une part;
On calcule KL / KN = 2/7 d'autre part.
1/4 = (7*1) / (7*4) = 7/28
2/7 = (2*4) / (7*4) = 8/28
On constate que KM/KD ≠ KL/KN
D'après la contraposée du th de Thalès, les droites (ML) et (NO) ne sont pas parallèles.
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Bonjour, il faut dire si cette affirmation est juste ou non puis justifier, mais je n'y arrive pas, pouvez vous m'aider ?
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Verified answer
On calcule KM / KD = 1/4 d'une part;On calcule KL / KN = 2/7 d'autre part.
1/4 = (7*1) / (7*4) = 7/28
2/7 = (2*4) / (7*4) = 8/28
On constate que KM/KD ≠ KL/KN
D'après la contraposée du th de Thalès, les droites (ML) et (NO) ne sont pas parallèles.