Respuesta :

Answer:

234[tex]mm^{2}[/tex]

Step-by-step explanation:

We know:

l=15mm

w=3mm

h=4mm

SA=2lw+2lh+2wh

SA=2(15)(3)+2(15)(4)+2(3)(4)

SA=234[tex]mm^{2}[/tex]

Answer:

234mm^2

Step-by-step explanation:

The answer to your problem is 234mm^2


I hope it helps! Stay safe!