Jawabanmu

2014-09-06T13:43:56+07:00
B) kl = 3/4x24= 18
    lm= 24
    km= 5/4x24= 30
a) sisi A::B:C = 3 : 4:5 
2014-09-06T14:27:25+07:00
BC = 4x
24 = 4x
x = 24/4
x = 6
maka, AB = 3×6 =18
BC = 4×6 = 24
AC = 5×6 = 30
jadi ,
a. AB/KL=18/18=1
BC/LM=24/24=1
AC/KM=30/30=1
b. KL=AB=18 cm
LM=BC=24 cm
KM=AC=30 cm