" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
=2 x 22/7 x (10,5)²
= 2 x 22/7 x 110,25
= 2 x 22 x 15,75
= 692 m²
K = 2 pi d
= 2 x 22/7 x 21
= 2 x 22 x 3
= 132 m³