" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
K = 62,8
π = 3,14
mk :
K = 2 x π x r
62,8 = 2 x 3,14 x r
62,8 = 6,28 x r
r = 62,8 / 6,28
r = 10 cm