Jawabanmu

2014-01-14T19:54:19+07:00
Dik :
p:l = 3:2
L= 96 cm2

P = 3/3x2x4 x 96
= 3/24 x 96 = 12 cm
l = 2/3x2x4 x 96 
= 2/24 x 96 = 8

K = 2xp + 2xl
= 2x12 + 2x8
= 24 + 16
= 40 cm
18 4 18
trimakasih yaa sudah membantu :)
sama-sama(;
2014-01-14T20:16:52+07:00
Dik :
p:l = 3x:2x
L= 96 cm2

p.l=96
3x.2x=96
6x²=96
x²=16
x=4

3x=12
2x=8

k=2(p+l)
k=2(12+8)
k=40


8 3 8