" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=2 x 3,14 x 12m
=6,28 x 12
= 75,36 m
b. k=2πr
=2 x 3,14 x 4,2 cm
=6,28 x 4,2
=26,372 cm