Answer:
4 cm
Step-by-step explanation:
The square root of 144 is 12 (12 x 12 = 144) so we know our sides of the square are 12 cm²
12 / 3 = 4
([tex]\frac{12}{1} x \frac{1}{3}[/tex])
The sides of the new square are 4 :)
Hope this helps and is correct, have a nice day! :D
