" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
jari-jari tabung = 21 : 2 = 10,5 cm
jari2 bola = 21 : 2 = 10,5 cm
v bola =
v tabung =
v ruangan dalam tabung diluar bola = v tabung - v bola = 4.851