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23-01-2024
Mathematics

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Given [ m ∠ ABD = 70° ], [ m ∠ CBD = 5x + 13° ], [ m ∠ ABC = 3x + 33° ], find [ m ∠ ABC ]:

a) ( x = 5 )
b) ( x = 7 )
c) ( x = 10 )
d) ( x = 15 )

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Bonjour, je m’appelle Sylvie, J’habite à Deauville en Normandie. Le matin je vais à l’école en bus. J’étudie beaucoup les mathématiques et l’anglais. Après le