" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
62,8 = 3,14 x d
62,8/3,14 = d
20 = d
maka jari jari = d/2
= 20/2
= 10 cm
K = 62,8 cm
dik :
K = 2 x 3,14 x r
62,8 = 6,28 x r
r = 62,8/6,28
r = 10 cm