Answer:
18 cm is the new side length
Step-by-step explanation:
For the original side length:
Because it's a square... 48/4=12
So 12 is the original side length
Now 48 x 1.5 = 72, divide it by 4 and you get 18
You can also do it like 12 x 1.5 to directly get 18
Hope this helps!
