Respuesta :

Answer: 580

Step-by-step explanation:

find the area of each side

there are 2 of each type of side so

[tex]2(20*10)+2(10*3)+2(20*3)=[/tex]

[tex]2(200)+2(30)+2(60)=[/tex]

[tex]400+60+120=[/tex]

[tex]580 cm[/tex]

i hope this makes sense :3