" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
VBALOK 20 X 25 = A 31.400 m kubik
d=20cm
r=1/2 d
1/2 20
r=10cm
dit:v?
v= phi.r.r.t
=3,14.10.10.25
=7850 cm^3
itu rumusnya memakai rumus volume tabung yang telah ditetapkan :)