Let the sides of a triangle be 5x m,12x m and 13 x m
Since, perimeter is the sum of all the sides,
5x + 12x + 13x = 150
\(\Rightarrow\) 30x = 150
Or, \(x=\frac{150}{30}=5\)
The lengths of the sides are:
a = 5 x 5 = 25 m
b = 12 x 5 = 60 m
c = 13 x 5 = 65 m