change the ratios to more manageable numbers
1/3 : 1/4 : 1/5
= 20 : 15 : 12
= 20x : 15x : 12x
so 20x + 15x + 12x = 94
take over ...
The sidesof 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
4 answers
24cm
24cm
24 cm.