Question

Calcule o volume de um cone reto com as seguintes medidas: 18 cm de altura e 7 cm de raio. ( use pi = 3,14 ). *​

Answer 1

$\largeO ~volume ~do ~cone ~ \Rightarrow ~ V = 923,16 ~cm^3$

                           $\large Volume ~de ~s\acute{o}lidos ~geom\acute{e}tricos$

Volume do cone.

$V = \dfrac{1}{3} ~\pi~. ~r^2~. ~h\\\\\\V = \dfrac{1}{3}~. ~3,14~. ~7^2~. ~18\\\\\\V = \dfrac{1}{3}~. ~3,14~. ~49~. ~18\\\\\\V = \dfrac{1}{3}~. ~153,86~. ~18\\\\\\V = \dfrac{1}{3}~. ~2769,48\\\\\\V = \dfrac{2769,48}{3}~. ~\\\\\\V = 923,16 ~cm^3$

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