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  • 28-05-2024
  • Mathematics
Answered

Considere uma circunferência de centro O. Nesta circunferência está inscrito um triângulo ABC, retângulo em C, e um ponto D, conforme a figura a seguir.





Suponha que o arco ABD mede 260° e os arcos BDC e ACD tem a mesma medida. O ângulo BÔC mede:







com resolução

Considere uma circunferência de centro O. Nesta circunferência está inscrito um triângulo ABC, retângulo em C, e um ponto D, conforme a figura a seguir. Suponha class=

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