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berarti LM=3/2 KL juga karna KM=LM
maka:
keliling= KL+LM+KM
96=KL+3/2 KL + 3/2 KL
96=8/2 KL
96=4KL
KL= 96/4
KL=24cm
KM = 3/2 KL ---> KL = 2/3 KM = 2/3x
sehingga
KL + KM + LM = 96
2/3 x + x + x = 96
2/3 x + 2 x = 96
2/3 x + 6/3 x = 96
8/3 x = 96
x = 3.96 / 8 = 36 cm
sehingga
KL = 2/3 x = 2/3 . 36 = 2.12 = 24 cm