" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
berarti jari-jari = 10
luas = 3,14 * 100 * 100
= 314
luas = phi.r2
= 3,14 . 10 . 10
= 314cm2