" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
2 ( 12 + l ) = 40
12 + l = 40 : 2
l = 20 - 12 = 8
luas = p * l
= 12 * 8 = 96
40 = 2 . ( 12 + x )
40 = 24 + 2x
40 -24 = 2x
16 = 2 x
8 = x
L = p . l
L = 12.8
L = 96