Resposta :
Resposta:
formula
V = h/3 *( πR² +πRr + πr²)
R = 40
r = 20
h = 24
V = 24/3 * π*( 1600 + 800 + 400)
V = 8π*2800 = 22400π cm³ (C)
Resposta:
formula
V = h/3 *( πR² +πRr + πr²)
R = 40
r = 20
h = 24
V = 24/3 * π*( 1600 + 800 + 400)
V = 8π*2800 = 22400π cm³ (C)