" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
39,56=2πr/:2π
19,78/π=r
P=πr^2
P=π(19,78/π)^2
P=π391,2484/π^2
P= 391,2484/π