Por Wesley Christiann Goulart Coelho em 28/11/2012 16:25:24
X^2 + 1^2 = R^2
X^2 = R^2 - 1
8 pi = pi x^2
x = 2 raiz 2
8 = R^2 - 1
R^2 = 9
R = 3
V = 4/3 pi R^3
V = 4/3 pi X 3^3
V = 36 pi
X^2 = R^2 - 1
8 pi = pi x^2
x = 2 raiz 2
8 = R^2 - 1
R^2 = 9
R = 3
V = 4/3 pi R^3
V = 4/3 pi X 3^3
V = 36 pi