" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2025 KUDO.TIPS - All rights reserved.
r: 3.5
π: 3.14
(2)(3.14)(3.5) = (2)(10.99) = 21.98
P=2(3.1416)(3.5)
P=21.99