Question

ಠ︵ಠಥ_ಥ.·´¯`(>▂<)´¯`·.(╥﹏╥)

Answer 1

Resposta:

a)

volume

v = x.(x-2).(x-4)

v = x.(x²-4x-2x+8)

v = x.(x²-6x+8)

v = x³-6x²+8x

b)

x = 5 cm

v = x.(x-2).(x-4)

v = 5.(5-2).(5-4)

v = 5.3.1

v = 15 cm³