May 2019 1 15 Report
BONJOU POUVEZ VOUS M4AIDER SVP MERCI D'AVANCE
ABC est un triangle rectangle en B on connait l'angle b=90° et l'angle a=49° sachant que AB=16.6°


1° calculer AC
2° en deduire de BC . Justifier la réponse.
3° calculer l'angle C
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