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Exercicios de geometria
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Exercicios de geometria

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  • 1. ESCOLA ESTADUAL “HELENA GUERRA” AVALIAÇÃO BIMESTRAL PROFESSOR (A): ROBERTO GONÇALVES DE CARVALHO JR DATA:___/___/2010 Geometria 3) Observe a figura e complete o que se pede : 1) Calcule o Diâmetro das circunferências abaixo : a) D E 7,2cm C 20º 30º b) 30º A B 9,2 cm a) med ( DÂC) = b) med (BÂC) = c) med (CÂE) = 2) Na figura abaixo , destaque todos os ângulos que você puder encontrar . d) med (BÂD)= e) med (EÂB)= f) dois ângulos congruentes = ________ _________________ 4) Obseve a figura e responda : A C A B C 2x x B O _______________________ a) Qual o valor de x? __________ b) Qual a medida do ângulo AÔC

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