" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
314 = 2 x 3,14 x r
314 = 6,28 x r
314/6,28 = r
50 = r
Luas lingk. = phi x r^2
= 3.14 x (50)^2 = 7850