Answer:
perimeter of the square painting is 12 meters
Explanation:
A square painting has sides that are 3 meters long
the side length of the square is 3 meter. there are 4 sides in a square .
to find perimeter we add all the sides
The perimeter of the square formula is
![perimeter = 4 \cdot side](https://img.qammunity.org/2021/formulas/mathematics/middle-school/ihg0nko15ug30y05dv6thm3czeitrwescn.png)
![perimeter = 4 \cdot 3= 12](https://img.qammunity.org/2021/formulas/mathematics/middle-school/gafv1ikfphxzkdf8lwozddlp34fx30plom.png)
perimeter of the square painting is 12 meters