Question 323562
let smallest side be x
one side is 2x
the longest side = 2x+3
..
Perimeter = sum of all three sides =48
x+2x+2x+3= 48
5x+3=48
5x=45
x= 9
2x= 18
2x+3 = 21
..
9,18, 21 are the three sides.
CHECK
9+18+21=48