Jawabanmu

Jawaban paling cerdas!
2014-06-04T19:51:28+07:00
Kll = a + b + c
84 = 5x + 3x + 4x
84 = 12x
x = 7

a = 5x = 5(7) = 35 cm
b = 3x = 3(7) = 21 cm
c = 4x = 4(7) = 28 cm

jadi panjang sisi AB = a = 35 cm
salam kenal juga,aku Nurul
ank mana ?
Anak Makassar kamu ?
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Ohh :o