" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r₁=1/2*8=4
V₂=4/3*π*4³=256/3*π
V₂=4/3*π*r₂³
r₂=1/2*4=2
V₂=4/3*π*2³=4/3*8π=32/3*π
V=V₁+V₂=288π/3
4/3*π*r³=288π/3 /*3
4*π*r³=288π /:π
4r³=288
r³=72
r=³√72=³√(2*2*3*3*2)=2³√9
d-średnica
d=2r
d=4³√9
V=V₁+V₂
d₁=8--->r₁=4 cm
d₂=4--->r₂=2cm
V=4/3π*4³+4/3π*2³
V=4/3π(64+8)
V=4/3π*72
V=4/3πr³
4/3π*72=4/3πr³
r³=72
r=∛72
r=2∛9 cm
d=4∛9 cm