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Re: [obm-l] ajuda II

To: obm-l@xxxxxxxxxxxxxx
Subject: Re: [obm-l] ajuda II
From: Eduardo Wilner <eduardowilner@xxxxxxxxxxxx>
Date: Sun, 19 Mar 2006 11:42:34 -0300 (ART)
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   Num quadrilátero cíclico os ângulos opostos são suplementares ,logo

   A+C = B+D=180°.

   Monte agora o sistema de equações e chegue a

   A=110°       B=100°    C=70°      e      D=80°.
]

Marcus Aurelio <marcusaurelio80@globo.com> escreveu:

Determine as medida dos ângulos internos de um quadrilátero ABCD inscrito num circulo, (não é isósceles) , sabendo-se que B= C+30º e A=C +D - 40

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References:
- [obm-l] ajuda II
  - From: Marcus Aurelio

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