[obm-l] Pir�mide e pent�gono

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Subject: [obm-l] Pir�mide e pent�gono
From: Iuri <iurisilvio@xxxxxxxxx>
Date: Sat, 23 Dec 2006 23:56:31 -0200
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A sec��o de um plano em uma pir�mide regular de base quadrada � um pent�gono regular de lado 1 cm. Calcule o volume da pir�mide.