The sides of triangle are in the ratio 1/3 : 1/4 : 1/5 and its perimeter is 94 cm. the length of smallest side is?

18.8 cm
23.5 cm
24 cm
31.3 cm

Correct Answer: 24 cm

Explanation:

Ratio of sides 1/3 : 1/4 : 1/5 = 20 : 15 : 12
Length of smallest side = 94 x (12/47) cm. = 24 cm.

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