" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
L1 = 1386
L2 =?
L1 : L2
πr^2 : πr^2 ------------- pi nya bisa dicoret
r^2 : r^2
3^2 : 1^2
9 : 1
L2 = 1/9 * 1386 = 154 cm2