The sides of a triangle are in the ratio 1/3:1/4:1/5 and its perimeter is 94 cm.The length of the smallest side is
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In ΔABC
AB = x/3
BC = x/4
AC = x/5
Perimeter = x/3 + x/4 + x/5 = 94
20x + 15x + 12x = 94 x 60
47x = 94 x 60
x = 2 x 60 = 120
AB = x/3 = 40xm
BC = x/4 = 30cm
AC = x/5 = 24cm
AC is the smallest side which has 24cm long
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