12*3= 36
12 and 3 could be factors of 36.
I hope this helped you! <3
Lets use proportion
let the perimeter of the smaller figure be 'x'
8:18::x:24
Product of means=product of extreames
24 x 8= 18 x 'x'
192=18x
x=10.6666667 units
Ans: the perimeter of the smaller figure is 10.6666667 units