" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
62,8 = 2 × 3,14 × r
62,8 = 6,28 r
r = 10 cm
v = 1/3 × phi × r^2 × t
v = 1/3 × 3,14 × 10 × 10 × 12
v = 4 × 314
v = 1256 cm^2