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[obm-l] Trigo
- To: obm-l@xxxxxxxxxxxxxx
- Subject: [obm-l] Trigo
- From: Klaus Ferraz <klausferraz@xxxxxxxxxxxx>
- Date: Wed, 18 Jan 2006 20:43:02 +0000 (GMT)
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Sejam L4,L6, L10 os lados do quadrado, do hexágono e do decágono regulares inscritos todos no mesmo circulo(C). Com esses três lados fez-se um triangulo ABC, nao-inscrito em (C), tal que BC=L4, AC=L6, AB=L10. Pede-se calcular o angulo A do triangulo ABC
Gab:120º
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