Respuesta :
Answer:
12
Step-by-step explanation:
Perimeter is using addition and if its a square, all of the sides are the same.
If one side = 3 cm, then 3cm + 3cm + 3cm + 3cm=12 cm
Answer:
12
Step-by-step explanation:
A square with 3cm long side
Area = 2 sides multiplied
Perimeter = All sides added
3 + 3 + 3 + 3 = 12cm
or
3 × 4 = 12cm