" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
pake 2 x (3.14 atau 22/7 ) x ruas jari jari lingkaran.
atau- pi (3.14 atau 22/7) x diameter..
r = jari-jari
atau
K = π×d
d = diameter