Respuesta :

48 cm squared. Multiply both sides (4 times 12) and the units have to be squared.

Answer:

[tex]48cm^2[/tex]

Step-by-step explanation:

Use the area of rectangle formula.

[tex]A=lw[/tex]

[tex]A=12 \times 4[/tex]

[tex]A=48[/tex]