" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
r = 1/2 d
V = 4/3 π r³ = 4/3 π 1/8. d³ = 1/6 π d³ = 1/6 (22/7)(21³) = 4.851