WEBVTT

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Digamos que nós temos um raio que começa no ponto A e aí vai ao ponto B, e então poderíamos

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chamar esse ângulo (deixe-me afinar um pouco essa linha) nós poderíamos chamar esse ângulo de AB

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que começa em A ou tem uma aresta em A, e digamos que há também um ângulo AC. o ponto C está

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bem aqui em cima e

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