" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
72 = 2 (7x + 5x)
72 = 2 (12x)
72 = 24x
x = 3
p = 7x = 7 (3) = 21
l = 5x = 5 (3) = 15
Luas = p × l = 21 × 15 = 315
36 m=p+l
panjang=7/7+5 x 36=7/12 x 36=21 m
lebar=5/7+5 x 36=5/12 x 36=15 m
L=p x l=21 x 15 m =315 m2