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28-05-2024
Mathematics

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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:

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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 class=

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