Para construir uma manilha de esgoto, um cilindro com 2 m - ENEM 2010 - Geometria Espacial

Para construir uma manilha de esgoto, um cilindro com 2 m de diâmetro e 4 m de altura (de espessura desprezível), foi envolvido homogeneamente por uma camada de concreto, contendo 20 cm de espessura. Supondo que cada metro cúbico de concreto custe R$ 10,00 e tomando 3,1 como valor aproximado de π, então o preço dessa manilha é igual a R$ 230,40. R$ 124,00. R$ 104,16. R$ 54,56. R$ 49,60. #enem #enem2010 #matemáticaenem 00:00 Enem 2010 00:15 Para construir uma manilha de esgoto, um cilindro com 2 m 01:09 Solução 08:35 Resposta 🎓 Redes Sociais: 🧠 Instagram: @Gustavoaulas 🎈 Tiktok: Gustavoaulas 📧 E-mail: [email protected]

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